Home / 8,685.24-13,025.28-3,753.72

Finding the Fourth Proportional to 8,685.24, 13,025.28 and 3,753.72

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Solution

The fourth proportional to 8,685.24, 13,025.28 and 3,753.72 is: 5,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.24 : 13,025.28 = 3,753.72 : x
  2. Step 2: Convert to fraction form
    8,685.24/13,025.28 = 3,753.72/x
  3. Step 3: Cross multiply
    8,685.24x = 13,025.28 × 3,753.72
  4. Step 4: Simplify right side
    8,685.24x = 48,893,254.04
  5. Step 5: Solve for x
    x = 48,893,254.04/8,685.24
  6. Step 6: Final answer
    x = 5,629.46

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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.