Home / 6,612.16-9,123.78-4,257.49

Finding the Fourth Proportional to 6,612.16, 9,123.78 and 4,257.49

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Solution

The fourth proportional to 6,612.16, 9,123.78 and 4,257.49 is: 5,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.16 : 9,123.78 = 4,257.49 : x
  2. Step 2: Convert to fraction form
    6,612.16/9,123.78 = 4,257.49/x
  3. Step 3: Cross multiply
    6,612.16x = 9,123.78 × 4,257.49
  4. Step 4: Simplify right side
    6,612.16x = 38,844,356.49
  5. Step 5: Solve for x
    x = 38,844,356.49/6,612.16
  6. Step 6: Final answer
    x = 5,874.69

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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.