Home / 5,385.62-7,434.19-3,148.22

Finding the Fourth Proportional to 5,385.62, 7,434.19 and 3,148.22

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Solution

The fourth proportional to 5,385.62, 7,434.19 and 3,148.22 is: 4,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.62 : 7,434.19 = 3,148.22 : x
  2. Step 2: Convert to fraction form
    5,385.62/7,434.19 = 3,148.22/x
  3. Step 3: Cross multiply
    5,385.62x = 7,434.19 × 3,148.22
  4. Step 4: Simplify right side
    5,385.62x = 23,404,476.36
  5. Step 5: Solve for x
    x = 23,404,476.36/5,385.62
  6. Step 6: Final answer
    x = 4,345.73

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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.