Home / 6,636.17-9,154.10-4,147.85

Finding the Fourth Proportional to 6,636.17, 9,154.10 and 4,147.85

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Solution

The fourth proportional to 6,636.17, 9,154.10 and 4,147.85 is: 5,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.17 : 9,154.10 = 4,147.85 : x
  2. Step 2: Convert to fraction form
    6,636.17/9,154.10 = 4,147.85/x
  3. Step 3: Cross multiply
    6,636.17x = 9,154.10 × 4,147.85
  4. Step 4: Simplify right side
    6,636.17x = 37,969,833.69
  5. Step 5: Solve for x
    x = 37,969,833.69/6,636.17
  6. Step 6: Final answer
    x = 5,721.65

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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.