Home / 5,387.34-7,432.24-3,290.26

Finding the Fourth Proportional to 5,387.34, 7,432.24 and 3,290.26

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Solution

The fourth proportional to 5,387.34, 7,432.24 and 3,290.26 is: 4,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.34 : 7,432.24 = 3,290.26 : x
  2. Step 2: Convert to fraction form
    5,387.34/7,432.24 = 3,290.26/x
  3. Step 3: Cross multiply
    5,387.34x = 7,432.24 × 3,290.26
  4. Step 4: Simplify right side
    5,387.34x = 24,454,001.98
  5. Step 5: Solve for x
    x = 24,454,001.98/5,387.34
  6. Step 6: Final answer
    x = 4,539.16

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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.