Home / 8,341.16-12,512.46-3,147.08

Finding the Fourth Proportional to 8,341.16, 12,512.46 and 3,147.08

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Solution

The fourth proportional to 8,341.16, 12,512.46 and 3,147.08 is: 4,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.16 : 12,512.46 = 3,147.08 : x
  2. Step 2: Convert to fraction form
    8,341.16/12,512.46 = 3,147.08/x
  3. Step 3: Cross multiply
    8,341.16x = 12,512.46 × 3,147.08
  4. Step 4: Simplify right side
    8,341.16x = 39,377,712.62
  5. Step 5: Solve for x
    x = 39,377,712.62/8,341.16
  6. Step 6: Final answer
    x = 4,720.89

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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.