Home / 8,741.01-12,063.45-5,385.78

Finding the Fourth Proportional to 8,741.01, 12,063.45 and 5,385.78

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Solution

The fourth proportional to 8,741.01, 12,063.45 and 5,385.78 is: 7,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.01 : 12,063.45 = 5,385.78 : x
  2. Step 2: Convert to fraction form
    8,741.01/12,063.45 = 5,385.78/x
  3. Step 3: Cross multiply
    8,741.01x = 12,063.45 × 5,385.78
  4. Step 4: Simplify right side
    8,741.01x = 64,971,087.74
  5. Step 5: Solve for x
    x = 64,971,087.74/8,741.01
  6. Step 6: Final answer
    x = 7,432.90

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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.