Home / 8,357.83-12,537.77-3,091.95

Finding the Fourth Proportional to 8,357.83, 12,537.77 and 3,091.95

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Solution

The fourth proportional to 8,357.83, 12,537.77 and 3,091.95 is: 4,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.83 : 12,537.77 = 3,091.95 : x
  2. Step 2: Convert to fraction form
    8,357.83/12,537.77 = 3,091.95/x
  3. Step 3: Cross multiply
    8,357.83x = 12,537.77 × 3,091.95
  4. Step 4: Simplify right side
    8,357.83x = 38,766,079.80
  5. Step 5: Solve for x
    x = 38,766,079.80/8,357.83
  6. Step 6: Final answer
    x = 4,638.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.