Home / 8,849.23-12,207.85-5,706.43

Finding the Fourth Proportional to 8,849.23, 12,207.85 and 5,706.43

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Solution

The fourth proportional to 8,849.23, 12,207.85 and 5,706.43 is: 7,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.23 : 12,207.85 = 5,706.43 : x
  2. Step 2: Convert to fraction form
    8,849.23/12,207.85 = 5,706.43/x
  3. Step 3: Cross multiply
    8,849.23x = 12,207.85 × 5,706.43
  4. Step 4: Simplify right side
    8,849.23x = 69,663,241.48
  5. Step 5: Solve for x
    x = 69,663,241.48/8,849.23
  6. Step 6: Final answer
    x = 7,872.24

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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.