Home / 8,290.42-11,401.56-6,591.85

Finding the Fourth Proportional to 8,290.42, 11,401.56 and 6,591.85

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Solution

The fourth proportional to 8,290.42, 11,401.56 and 6,591.85 is: 9,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.42 : 11,401.56 = 6,591.85 : x
  2. Step 2: Convert to fraction form
    8,290.42/11,401.56 = 6,591.85/x
  3. Step 3: Cross multiply
    8,290.42x = 11,401.56 × 6,591.85
  4. Step 4: Simplify right side
    8,290.42x = 75,157,344.78
  5. Step 5: Solve for x
    x = 75,157,344.78/8,290.42
  6. Step 6: Final answer
    x = 9,065.57

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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.