Home / 7,405.60-11,084.10-5,753.20

Finding the Fourth Proportional to 7,405.60, 11,084.10 and 5,753.20

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Solution

The fourth proportional to 7,405.60, 11,084.10 and 5,753.20 is: 8,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.60 : 11,084.10 = 5,753.20 : x
  2. Step 2: Convert to fraction form
    7,405.60/11,084.10 = 5,753.20/x
  3. Step 3: Cross multiply
    7,405.60x = 11,084.10 × 5,753.20
  4. Step 4: Simplify right side
    7,405.60x = 63,769,044.12
  5. Step 5: Solve for x
    x = 63,769,044.12/7,405.60
  6. Step 6: Final answer
    x = 8,610.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.