Home / 7,577.28-10,455.84-4,433.60

Finding the Fourth Proportional to 7,577.28, 10,455.84 and 4,433.60

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Solution

The fourth proportional to 7,577.28, 10,455.84 and 4,433.60 is: 6,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.28 : 10,455.84 = 4,433.60 : x
  2. Step 2: Convert to fraction form
    7,577.28/10,455.84 = 4,433.60/x
  3. Step 3: Cross multiply
    7,577.28x = 10,455.84 × 4,433.60
  4. Step 4: Simplify right side
    7,577.28x = 46,357,012.22
  5. Step 5: Solve for x
    x = 46,357,012.22/7,577.28
  6. Step 6: Final answer
    x = 6,117.90

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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.