Home / 5,087.49-7,631.24-1,800.38

Finding the Fourth Proportional to 5,087.49, 7,631.24 and 1,800.38

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Solution

The fourth proportional to 5,087.49, 7,631.24 and 1,800.38 is: 2,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.49 : 7,631.24 = 1,800.38 : x
  2. Step 2: Convert to fraction form
    5,087.49/7,631.24 = 1,800.38/x
  3. Step 3: Cross multiply
    5,087.49x = 7,631.24 × 1,800.38
  4. Step 4: Simplify right side
    5,087.49x = 13,739,084.71
  5. Step 5: Solve for x
    x = 13,739,084.71/5,087.49
  6. Step 6: Final answer
    x = 2,700.56

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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.