Home / 7,132.11-10,649.45-6,386.91

Finding the Fourth Proportional to 7,132.11, 10,649.45 and 6,386.91

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Solution

The fourth proportional to 7,132.11, 10,649.45 and 6,386.91 is: 9,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.11 : 10,649.45 = 6,386.91 : x
  2. Step 2: Convert to fraction form
    7,132.11/10,649.45 = 6,386.91/x
  3. Step 3: Cross multiply
    7,132.11x = 10,649.45 × 6,386.91
  4. Step 4: Simplify right side
    7,132.11x = 68,017,046.76
  5. Step 5: Solve for x
    x = 68,017,046.76/7,132.11
  6. Step 6: Final answer
    x = 9,536.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.