Home / 8,139.02-12,194.60-4,443.85

Finding the Fourth Proportional to 8,139.02, 12,194.60 and 4,443.85

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Solution

The fourth proportional to 8,139.02, 12,194.60 and 4,443.85 is: 6,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.02 : 12,194.60 = 4,443.85 : x
  2. Step 2: Convert to fraction form
    8,139.02/12,194.60 = 4,443.85/x
  3. Step 3: Cross multiply
    8,139.02x = 12,194.60 × 4,443.85
  4. Step 4: Simplify right side
    8,139.02x = 54,190,973.21
  5. Step 5: Solve for x
    x = 54,190,973.21/8,139.02
  6. Step 6: Final answer
    x = 6,658.17

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1.5x scale

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.