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Finding the Fourth Proportional to 5,000.31, 7,500.90 and 1,302.54

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Solution

The fourth proportional to 5,000.31, 7,500.90 and 1,302.54 is: 1,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.31 : 7,500.90 = 1,302.54 : x
  2. Step 2: Convert to fraction form
    5,000.31/7,500.90 = 1,302.54/x
  3. Step 3: Cross multiply
    5,000.31x = 7,500.90 × 1,302.54
  4. Step 4: Simplify right side
    5,000.31x = 9,770,222.29
  5. Step 5: Solve for x
    x = 9,770,222.29/5,000.31
  6. Step 6: Final answer
    x = 1,953.92

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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.