Home / 4,442.07-6,663.35-4,220.61

Finding the Fourth Proportional to 4,442.07, 6,663.35 and 4,220.61

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Solution

The fourth proportional to 4,442.07, 6,663.35 and 4,220.61 is: 6,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.07 : 6,663.35 = 4,220.61 : x
  2. Step 2: Convert to fraction form
    4,442.07/6,663.35 = 4,220.61/x
  3. Step 3: Cross multiply
    4,442.07x = 6,663.35 × 4,220.61
  4. Step 4: Simplify right side
    4,442.07x = 28,123,401.64
  5. Step 5: Solve for x
    x = 28,123,401.64/4,442.07
  6. Step 6: Final answer
    x = 6,331.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.