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Finding the Fourth Proportional to 4,668.73, 6,442.54 and 2,572.86

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Solution

The fourth proportional to 4,668.73, 6,442.54 and 2,572.86 is: 3,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.73 : 6,442.54 = 2,572.86 : x
  2. Step 2: Convert to fraction form
    4,668.73/6,442.54 = 2,572.86/x
  3. Step 3: Cross multiply
    4,668.73x = 6,442.54 × 2,572.86
  4. Step 4: Simplify right side
    4,668.73x = 16,575,753.46
  5. Step 5: Solve for x
    x = 16,575,753.46/4,668.73
  6. Step 6: Final answer
    x = 3,550.38

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Half 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.