Home / 9,022.71-12,451.25-4,989.80

Finding the Fourth Proportional to 9,022.71, 12,451.25 and 4,989.80

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Solution

The fourth proportional to 9,022.71, 12,451.25 and 4,989.80 is: 6,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.71 : 12,451.25 = 4,989.80 : x
  2. Step 2: Convert to fraction form
    9,022.71/12,451.25 = 4,989.80/x
  3. Step 3: Cross multiply
    9,022.71x = 12,451.25 × 4,989.80
  4. Step 4: Simplify right side
    9,022.71x = 62,129,160.04
  5. Step 5: Solve for x
    x = 62,129,160.04/9,022.71
  6. Step 6: Final answer
    x = 6,885.86

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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.