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Finding the Fourth Proportional to 4,572.76, 6,849.54 and 4,520.92

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Solution

The fourth proportional to 4,572.76, 6,849.54 and 4,520.92 is: 6,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.76 : 6,849.54 = 4,520.92 : x
  2. Step 2: Convert to fraction form
    4,572.76/6,849.54 = 4,520.92/x
  3. Step 3: Cross multiply
    4,572.76x = 6,849.54 × 4,520.92
  4. Step 4: Simplify right side
    4,572.76x = 30,966,222.38
  5. Step 5: Solve for x
    x = 30,966,222.38/4,572.76
  6. Step 6: Final answer
    x = 6,771.89

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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.