Home / 5,691.10-7,849.14-3,564.70

Finding the Fourth Proportional to 5,691.10, 7,849.14 and 3,564.70

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Solution

The fourth proportional to 5,691.10, 7,849.14 and 3,564.70 is: 4,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.10 : 7,849.14 = 3,564.70 : x
  2. Step 2: Convert to fraction form
    5,691.10/7,849.14 = 3,564.70/x
  3. Step 3: Cross multiply
    5,691.10x = 7,849.14 × 3,564.70
  4. Step 4: Simplify right side
    5,691.10x = 27,979,829.36
  5. Step 5: Solve for x
    x = 27,979,829.36/5,691.10
  6. Step 6: Final answer
    x = 4,916.42

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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.