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Finding the Fourth Proportional to 8,526.62, 12,766.31 and 4,357.65

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Solution

The fourth proportional to 8,526.62, 12,766.31 and 4,357.65 is: 6,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.62 : 12,766.31 = 4,357.65 : x
  2. Step 2: Convert to fraction form
    8,526.62/12,766.31 = 4,357.65/x
  3. Step 3: Cross multiply
    8,526.62x = 12,766.31 × 4,357.65
  4. Step 4: Simplify right side
    8,526.62x = 55,631,081.39
  5. Step 5: Solve for x
    x = 55,631,081.39/8,526.62
  6. Step 6: Final answer
    x = 6,524.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.