Home / 7,384.52-11,084.29-3,689.40

Finding the Fourth Proportional to 7,384.52, 11,084.29 and 3,689.40

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Solution

The fourth proportional to 7,384.52, 11,084.29 and 3,689.40 is: 5,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.52 : 11,084.29 = 3,689.40 : x
  2. Step 2: Convert to fraction form
    7,384.52/11,084.29 = 3,689.40/x
  3. Step 3: Cross multiply
    7,384.52x = 11,084.29 × 3,689.40
  4. Step 4: Simplify right side
    7,384.52x = 40,894,370.27
  5. Step 5: Solve for x
    x = 40,894,370.27/7,384.52
  6. Step 6: Final answer
    x = 5,537.85

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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.