Home / 8,686.27-13,005.10-4,517.20

Finding the Fourth Proportional to 8,686.27, 13,005.10 and 4,517.20

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Solution

The fourth proportional to 8,686.27, 13,005.10 and 4,517.20 is: 6,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.27 : 13,005.10 = 4,517.20 : x
  2. Step 2: Convert to fraction form
    8,686.27/13,005.10 = 4,517.20/x
  3. Step 3: Cross multiply
    8,686.27x = 13,005.10 × 4,517.20
  4. Step 4: Simplify right side
    8,686.27x = 58,746,550.11
  5. Step 5: Solve for x
    x = 58,746,550.11/8,686.27
  6. Step 6: Final answer
    x = 6,763.15

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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.