Home / 8,812.02-12,151.08-6,691.44

Finding the Fourth Proportional to 8,812.02, 12,151.08 and 6,691.44

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Solution

The fourth proportional to 8,812.02, 12,151.08 and 6,691.44 is: 9,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.02 : 12,151.08 = 6,691.44 : x
  2. Step 2: Convert to fraction form
    8,812.02/12,151.08 = 6,691.44/x
  3. Step 3: Cross multiply
    8,812.02x = 12,151.08 × 6,691.44
  4. Step 4: Simplify right side
    8,812.02x = 81,308,162.00
  5. Step 5: Solve for x
    x = 81,308,162.00/8,812.02
  6. Step 6: Final answer
    x = 9,226.97

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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.