Home / 8,729.22-12,046.29-5,146.26

Finding the Fourth Proportional to 8,729.22, 12,046.29 and 5,146.26

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Solution

The fourth proportional to 8,729.22, 12,046.29 and 5,146.26 is: 7,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.22 : 12,046.29 = 5,146.26 : x
  2. Step 2: Convert to fraction form
    8,729.22/12,046.29 = 5,146.26/x
  3. Step 3: Cross multiply
    8,729.22x = 12,046.29 × 5,146.26
  4. Step 4: Simplify right side
    8,729.22x = 61,993,340.38
  5. Step 5: Solve for x
    x = 61,993,340.38/8,729.22
  6. Step 6: Final answer
    x = 7,101.82

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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.