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Finding the Fourth Proportional to 7,246.82, 10,000.60 and 3,934.82

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Solution

The fourth proportional to 7,246.82, 10,000.60 and 3,934.82 is: 5,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.82 : 10,000.60 = 3,934.82 : x
  2. Step 2: Convert to fraction form
    7,246.82/10,000.60 = 3,934.82/x
  3. Step 3: Cross multiply
    7,246.82x = 10,000.60 × 3,934.82
  4. Step 4: Simplify right side
    7,246.82x = 39,350,560.89
  5. Step 5: Solve for x
    x = 39,350,560.89/7,246.82
  6. Step 6: Final answer
    x = 5,430.05

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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.