Home / 8,836.74-12,188.25-5,605.47

Finding the Fourth Proportional to 8,836.74, 12,188.25 and 5,605.47

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Solution

The fourth proportional to 8,836.74, 12,188.25 and 5,605.47 is: 7,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.74 : 12,188.25 = 5,605.47 : x
  2. Step 2: Convert to fraction form
    8,836.74/12,188.25 = 5,605.47/x
  3. Step 3: Cross multiply
    8,836.74x = 12,188.25 × 5,605.47
  4. Step 4: Simplify right side
    8,836.74x = 68,320,869.73
  5. Step 5: Solve for x
    x = 68,320,869.73/8,836.74
  6. Step 6: Final answer
    x = 7,731.46

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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.