Home / 7,643.11-10,552.62-4,776.19

Finding the Fourth Proportional to 7,643.11, 10,552.62 and 4,776.19

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Solution

The fourth proportional to 7,643.11, 10,552.62 and 4,776.19 is: 6,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.11 : 10,552.62 = 4,776.19 : x
  2. Step 2: Convert to fraction form
    7,643.11/10,552.62 = 4,776.19/x
  3. Step 3: Cross multiply
    7,643.11x = 10,552.62 × 4,776.19
  4. Step 4: Simplify right side
    7,643.11x = 50,401,318.12
  5. Step 5: Solve for x
    x = 50,401,318.12/7,643.11
  6. Step 6: Final answer
    x = 6,594.35

Related Problems

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Half scale
Find fourth proportional to 15,286.22, 21,105.24 and 9,552.38
Double scale
Find fourth proportional to 7,644.11, 10,554 and 4,777.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.