Home / 5,438.18-7,502.28-3,343.52

Finding the Fourth Proportional to 5,438.18, 7,502.28 and 3,343.52

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Solution

The fourth proportional to 5,438.18, 7,502.28 and 3,343.52 is: 4,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.18 : 7,502.28 = 3,343.52 : x
  2. Step 2: Convert to fraction form
    5,438.18/7,502.28 = 3,343.52/x
  3. Step 3: Cross multiply
    5,438.18x = 7,502.28 × 3,343.52
  4. Step 4: Simplify right side
    5,438.18x = 25,084,023.23
  5. Step 5: Solve for x
    x = 25,084,023.23/5,438.18
  6. Step 6: Final answer
    x = 4,612.58

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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.