Home / 5,319.26-7,980.62-2,545.58

Finding the Fourth Proportional to 5,319.26, 7,980.62 and 2,545.58

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Solution

The fourth proportional to 5,319.26, 7,980.62 and 2,545.58 is: 3,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.26 : 7,980.62 = 2,545.58 : x
  2. Step 2: Convert to fraction form
    5,319.26/7,980.62 = 2,545.58/x
  3. Step 3: Cross multiply
    5,319.26x = 7,980.62 × 2,545.58
  4. Step 4: Simplify right side
    5,319.26x = 20,315,306.66
  5. Step 5: Solve for x
    x = 20,315,306.66/5,319.26
  6. Step 6: Final answer
    x = 3,819.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.