Home / 8,761.30-12,091.76-4,983.74

Finding the Fourth Proportional to 8,761.30, 12,091.76 and 4,983.74

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Solution

The fourth proportional to 8,761.30, 12,091.76 and 4,983.74 is: 6,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.30 : 12,091.76 = 4,983.74 : x
  2. Step 2: Convert to fraction form
    8,761.30/12,091.76 = 4,983.74/x
  3. Step 3: Cross multiply
    8,761.30x = 12,091.76 × 4,983.74
  4. Step 4: Simplify right side
    8,761.30x = 60,262,169.63
  5. Step 5: Solve for x
    x = 60,262,169.63/8,761.30
  6. Step 6: Final answer
    x = 6,878.22

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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.