Home / 9,182.43-12,671.42-4,990.59

Finding the Fourth Proportional to 9,182.43, 12,671.42 and 4,990.59

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Solution

The fourth proportional to 9,182.43, 12,671.42 and 4,990.59 is: 6,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.43 : 12,671.42 = 4,990.59 : x
  2. Step 2: Convert to fraction form
    9,182.43/12,671.42 = 4,990.59/x
  3. Step 3: Cross multiply
    9,182.43x = 12,671.42 × 4,990.59
  4. Step 4: Simplify right side
    9,182.43x = 63,237,836.98
  5. Step 5: Solve for x
    x = 63,237,836.98/9,182.43
  6. Step 6: Final answer
    x = 6,886.83

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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.