Home / 5,122.31-7,068.93-3,132.83

Finding the Fourth Proportional to 5,122.31, 7,068.93 and 3,132.83

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Solution

The fourth proportional to 5,122.31, 7,068.93 and 3,132.83 is: 4,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.31 : 7,068.93 = 3,132.83 : x
  2. Step 2: Convert to fraction form
    5,122.31/7,068.93 = 3,132.83/x
  3. Step 3: Cross multiply
    5,122.31x = 7,068.93 × 3,132.83
  4. Step 4: Simplify right side
    5,122.31x = 22,145,755.97
  5. Step 5: Solve for x
    x = 22,145,755.97/5,122.31
  6. Step 6: Final answer
    x = 4,323.39

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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.