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Finding the Fourth Proportional to 6,524.52, 8,991.40 and 6,404.55

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Solution

The fourth proportional to 6,524.52, 8,991.40 and 6,404.55 is: 8,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.52 : 8,991.40 = 6,404.55 : x
  2. Step 2: Convert to fraction form
    6,524.52/8,991.40 = 6,404.55/x
  3. Step 3: Cross multiply
    6,524.52x = 8,991.40 × 6,404.55
  4. Step 4: Simplify right side
    6,524.52x = 57,585,870.87
  5. Step 5: Solve for x
    x = 57,585,870.87/6,524.52
  6. Step 6: Final answer
    x = 8,826.07

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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.