Home / 8,149.16-12,223.50-2,602.85

Finding the Fourth Proportional to 8,149.16, 12,223.50 and 2,602.85

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Solution

The fourth proportional to 8,149.16, 12,223.50 and 2,602.85 is: 3,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.16 : 12,223.50 = 2,602.85 : x
  2. Step 2: Convert to fraction form
    8,149.16/12,223.50 = 2,602.85/x
  3. Step 3: Cross multiply
    8,149.16x = 12,223.50 × 2,602.85
  4. Step 4: Simplify right side
    8,149.16x = 31,815,875.86
  5. Step 5: Solve for x
    x = 31,815,875.86/8,149.16
  6. Step 6: Final answer
    x = 3,904.19

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Double scale
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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.