Home / 8,785.44-12,131.29-6,275.25

Finding the Fourth Proportional to 8,785.44, 12,131.29 and 6,275.25

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Solution

The fourth proportional to 8,785.44, 12,131.29 and 6,275.25 is: 8,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.44 : 12,131.29 = 6,275.25 : x
  2. Step 2: Convert to fraction form
    8,785.44/12,131.29 = 6,275.25/x
  3. Step 3: Cross multiply
    8,785.44x = 12,131.29 × 6,275.25
  4. Step 4: Simplify right side
    8,785.44x = 76,126,801.23
  5. Step 5: Solve for x
    x = 76,126,801.23/8,785.44
  6. Step 6: Final answer
    x = 8,665.11

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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.