Home / 4,887.50-7,331.25-2,151.50

Finding the Fourth Proportional to 4,887.50, 7,331.25 and 2,151.50

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Solution

The fourth proportional to 4,887.50, 7,331.25 and 2,151.50 is: 3,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.50 : 7,331.25 = 2,151.50 : x
  2. Step 2: Convert to fraction form
    4,887.50/7,331.25 = 2,151.50/x
  3. Step 3: Cross multiply
    4,887.50x = 7,331.25 × 2,151.50
  4. Step 4: Simplify right side
    4,887.50x = 15,773,184.38
  5. Step 5: Solve for x
    x = 15,773,184.38/4,887.50
  6. Step 6: Final answer
    x = 3,227.25

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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.