Home / 5,351.90-7,382.57-3,113.52

Finding the Fourth Proportional to 5,351.90, 7,382.57 and 3,113.52

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Solution

The fourth proportional to 5,351.90, 7,382.57 and 3,113.52 is: 4,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.90 : 7,382.57 = 3,113.52 : x
  2. Step 2: Convert to fraction form
    5,351.90/7,382.57 = 3,113.52/x
  3. Step 3: Cross multiply
    5,351.90x = 7,382.57 × 3,113.52
  4. Step 4: Simplify right side
    5,351.90x = 22,985,747.77
  5. Step 5: Solve for x
    x = 22,985,747.77/5,351.90
  6. Step 6: Final answer
    x = 4,294.88

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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.