Home / 5,637.38-7,781.50-3,281.48

Finding the Fourth Proportional to 5,637.38, 7,781.50 and 3,281.48

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Solution

The fourth proportional to 5,637.38, 7,781.50 and 3,281.48 is: 4,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.38 : 7,781.50 = 3,281.48 : x
  2. Step 2: Convert to fraction form
    5,637.38/7,781.50 = 3,281.48/x
  3. Step 3: Cross multiply
    5,637.38x = 7,781.50 × 3,281.48
  4. Step 4: Simplify right side
    5,637.38x = 25,534,836.62
  5. Step 5: Solve for x
    x = 25,534,836.62/5,637.38
  6. Step 6: Final answer
    x = 4,529.56

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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.