Home / 9,022.84-12,451.02-4,989.44

Finding the Fourth Proportional to 9,022.84, 12,451.02 and 4,989.44

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Solution

The fourth proportional to 9,022.84, 12,451.02 and 4,989.44 is: 6,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.84 : 12,451.02 = 4,989.44 : x
  2. Step 2: Convert to fraction form
    9,022.84/12,451.02 = 4,989.44/x
  3. Step 3: Cross multiply
    9,022.84x = 12,451.02 × 4,989.44
  4. Step 4: Simplify right side
    9,022.84x = 62,123,617.23
  5. Step 5: Solve for x
    x = 62,123,617.23/9,022.84
  6. Step 6: Final answer
    x = 6,885.15

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Half scale
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Double scale
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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.