Home / 8,766.08-12,098.22-4,990.15

Finding the Fourth Proportional to 8,766.08, 12,098.22 and 4,990.15

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Solution

The fourth proportional to 8,766.08, 12,098.22 and 4,990.15 is: 6,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.08 : 12,098.22 = 4,990.15 : x
  2. Step 2: Convert to fraction form
    8,766.08/12,098.22 = 4,990.15/x
  3. Step 3: Cross multiply
    8,766.08x = 12,098.22 × 4,990.15
  4. Step 4: Simplify right side
    8,766.08x = 60,371,872.04
  5. Step 5: Solve for x
    x = 60,371,872.04/8,766.08
  6. Step 6: Final answer
    x = 6,886.99

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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.