Home / 7,083.18-10,631.52-3,387.42

Finding the Fourth Proportional to 7,083.18, 10,631.52 and 3,387.42

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Solution

The fourth proportional to 7,083.18, 10,631.52 and 3,387.42 is: 5,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.18 : 10,631.52 = 3,387.42 : x
  2. Step 2: Convert to fraction form
    7,083.18/10,631.52 = 3,387.42/x
  3. Step 3: Cross multiply
    7,083.18x = 10,631.52 × 3,387.42
  4. Step 4: Simplify right side
    7,083.18x = 36,013,423.48
  5. Step 5: Solve for x
    x = 36,013,423.48/7,083.18
  6. Step 6: Final answer
    x = 5,084.36

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1.5x scale

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.