Home / 5,537.52-7,641.81-3,147.21

Finding the Fourth Proportional to 5,537.52, 7,641.81 and 3,147.21

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Solution

The fourth proportional to 5,537.52, 7,641.81 and 3,147.21 is: 4,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.52 : 7,641.81 = 3,147.21 : x
  2. Step 2: Convert to fraction form
    5,537.52/7,641.81 = 3,147.21/x
  3. Step 3: Cross multiply
    5,537.52x = 7,641.81 × 3,147.21
  4. Step 4: Simplify right side
    5,537.52x = 24,050,380.85
  5. Step 5: Solve for x
    x = 24,050,380.85/5,537.52
  6. Step 6: Final answer
    x = 4,343.17

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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.