Home / 8,727.30-13,088.97-2,487.20

Finding the Fourth Proportional to 8,727.30, 13,088.97 and 2,487.20

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Solution

The fourth proportional to 8,727.30, 13,088.97 and 2,487.20 is: 3,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.30 : 13,088.97 = 2,487.20 : x
  2. Step 2: Convert to fraction form
    8,727.30/13,088.97 = 2,487.20/x
  3. Step 3: Cross multiply
    8,727.30x = 13,088.97 × 2,487.20
  4. Step 4: Simplify right side
    8,727.30x = 32,554,820.74
  5. Step 5: Solve for x
    x = 32,554,820.74/8,727.30
  6. Step 6: Final answer
    x = 3,730.23

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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.