Home / 8,869.05-12,241.85-6,217.11

Finding the Fourth Proportional to 8,869.05, 12,241.85 and 6,217.11

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Solution

The fourth proportional to 8,869.05, 12,241.85 and 6,217.11 is: 8,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.05 : 12,241.85 = 6,217.11 : x
  2. Step 2: Convert to fraction form
    8,869.05/12,241.85 = 6,217.11/x
  3. Step 3: Cross multiply
    8,869.05x = 12,241.85 × 6,217.11
  4. Step 4: Simplify right side
    8,869.05x = 76,108,896.97
  5. Step 5: Solve for x
    x = 76,108,896.97/8,869.05
  6. Step 6: Final answer
    x = 8,581.40

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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.