Home / 5,030.20-7,545.30-3,280.60

Finding the Fourth Proportional to 5,030.20, 7,545.30 and 3,280.60

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Solution

The fourth proportional to 5,030.20, 7,545.30 and 3,280.60 is: 4,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.20 : 7,545.30 = 3,280.60 : x
  2. Step 2: Convert to fraction form
    5,030.20/7,545.30 = 3,280.60/x
  3. Step 3: Cross multiply
    5,030.20x = 7,545.30 × 3,280.60
  4. Step 4: Simplify right side
    5,030.20x = 24,753,111.18
  5. Step 5: Solve for x
    x = 24,753,111.18/5,030.20
  6. Step 6: Final answer
    x = 4,920.90

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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.