Home / 5,265.14-7,265.17-3,140.49

Finding the Fourth Proportional to 5,265.14, 7,265.17 and 3,140.49

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Solution

The fourth proportional to 5,265.14, 7,265.17 and 3,140.49 is: 4,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.14 : 7,265.17 = 3,140.49 : x
  2. Step 2: Convert to fraction form
    5,265.14/7,265.17 = 3,140.49/x
  3. Step 3: Cross multiply
    5,265.14x = 7,265.17 × 3,140.49
  4. Step 4: Simplify right side
    5,265.14x = 22,816,193.73
  5. Step 5: Solve for x
    x = 22,816,193.73/5,265.14
  6. Step 6: Final answer
    x = 4,333.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.