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Finding the Fourth Proportional to 5,000.52, 7,500.78 and 1,302.74

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Solution

The fourth proportional to 5,000.52, 7,500.78 and 1,302.74 is: 1,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.52 : 7,500.78 = 1,302.74 : x
  2. Step 2: Convert to fraction form
    5,000.52/7,500.78 = 1,302.74/x
  3. Step 3: Cross multiply
    5,000.52x = 7,500.78 × 1,302.74
  4. Step 4: Simplify right side
    5,000.52x = 9,771,522.12
  5. Step 5: Solve for x
    x = 9,771,522.12/5,000.52
  6. Step 6: Final answer
    x = 1,954.10

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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.