Home / 5,099.60-7,608.58-4,545.20

Finding the Fourth Proportional to 5,099.60, 7,608.58 and 4,545.20

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Solution

The fourth proportional to 5,099.60, 7,608.58 and 4,545.20 is: 6,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.60 : 7,608.58 = 4,545.20 : x
  2. Step 2: Convert to fraction form
    5,099.60/7,608.58 = 4,545.20/x
  3. Step 3: Cross multiply
    5,099.60x = 7,608.58 × 4,545.20
  4. Step 4: Simplify right side
    5,099.60x = 34,582,517.82
  5. Step 5: Solve for x
    x = 34,582,517.82/5,099.60
  6. Step 6: Final answer
    x = 6,781.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.