Home / 5,042.88-6,988.61-4,972.38

Finding the Fourth Proportional to 5,042.88, 6,988.61 and 4,972.38

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Solution

The fourth proportional to 5,042.88, 6,988.61 and 4,972.38 is: 6,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.88 : 6,988.61 = 4,972.38 : x
  2. Step 2: Convert to fraction form
    5,042.88/6,988.61 = 4,972.38/x
  3. Step 3: Cross multiply
    5,042.88x = 6,988.61 × 4,972.38
  4. Step 4: Simplify right side
    5,042.88x = 34,749,999.73
  5. Step 5: Solve for x
    x = 34,749,999.73/5,042.88
  6. Step 6: Final answer
    x = 6,890.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.