Home / 5,388.48-7,437.04-3,397.50

Finding the Fourth Proportional to 5,388.48, 7,437.04 and 3,397.50

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Solution

The fourth proportional to 5,388.48, 7,437.04 and 3,397.50 is: 4,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.48 : 7,437.04 = 3,397.50 : x
  2. Step 2: Convert to fraction form
    5,388.48/7,437.04 = 3,397.50/x
  3. Step 3: Cross multiply
    5,388.48x = 7,437.04 × 3,397.50
  4. Step 4: Simplify right side
    5,388.48x = 25,267,343.40
  5. Step 5: Solve for x
    x = 25,267,343.40/5,388.48
  6. Step 6: Final answer
    x = 4,689.14

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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.