Home / 7,629.76-10,525.98-4,643.20

Finding the Fourth Proportional to 7,629.76, 10,525.98 and 4,643.20

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Solution

The fourth proportional to 7,629.76, 10,525.98 and 4,643.20 is: 6,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.76 : 10,525.98 = 4,643.20 : x
  2. Step 2: Convert to fraction form
    7,629.76/10,525.98 = 4,643.20/x
  3. Step 3: Cross multiply
    7,629.76x = 10,525.98 × 4,643.20
  4. Step 4: Simplify right side
    7,629.76x = 48,874,230.34
  5. Step 5: Solve for x
    x = 48,874,230.34/7,629.76
  6. Step 6: Final answer
    x = 6,405.74

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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.