Home / 7,591.72-11,363.85-4,821.52

Finding the Fourth Proportional to 7,591.72, 11,363.85 and 4,821.52

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Solution

The fourth proportional to 7,591.72, 11,363.85 and 4,821.52 is: 7,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.72 : 11,363.85 = 4,821.52 : x
  2. Step 2: Convert to fraction form
    7,591.72/11,363.85 = 4,821.52/x
  3. Step 3: Cross multiply
    7,591.72x = 11,363.85 × 4,821.52
  4. Step 4: Simplify right side
    7,591.72x = 54,791,030.05
  5. Step 5: Solve for x
    x = 54,791,030.05/7,591.72
  6. Step 6: Final answer
    x = 7,217.21

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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.