Home / 5,048.20-7,572.30-3,298.60

Finding the Fourth Proportional to 5,048.20, 7,572.30 and 3,298.60

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Solution

The fourth proportional to 5,048.20, 7,572.30 and 3,298.60 is: 4,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.20 : 7,572.30 = 3,298.60 : x
  2. Step 2: Convert to fraction form
    5,048.20/7,572.30 = 3,298.60/x
  3. Step 3: Cross multiply
    5,048.20x = 7,572.30 × 3,298.60
  4. Step 4: Simplify right side
    5,048.20x = 24,977,988.78
  5. Step 5: Solve for x
    x = 24,977,988.78/5,048.20
  6. Step 6: Final answer
    x = 4,947.90

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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.