Home / 5,087.13-7,631.93-1,624.38

Finding the Fourth Proportional to 5,087.13, 7,631.93 and 1,624.38

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Solution

The fourth proportional to 5,087.13, 7,631.93 and 1,624.38 is: 2,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.13 : 7,631.93 = 1,624.38 : x
  2. Step 2: Convert to fraction form
    5,087.13/7,631.93 = 1,624.38/x
  3. Step 3: Cross multiply
    5,087.13x = 7,631.93 × 1,624.38
  4. Step 4: Simplify right side
    5,087.13x = 12,397,154.45
  5. Step 5: Solve for x
    x = 12,397,154.45/5,087.13
  6. Step 6: Final answer
    x = 2,436.96

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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.