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Finding the Fourth Proportional to 8,999.46, 13,499.05 and 4,065.65

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Solution

The fourth proportional to 8,999.46, 13,499.05 and 4,065.65 is: 6,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.46 : 13,499.05 = 4,065.65 : x
  2. Step 2: Convert to fraction form
    8,999.46/13,499.05 = 4,065.65/x
  3. Step 3: Cross multiply
    8,999.46x = 13,499.05 × 4,065.65
  4. Step 4: Simplify right side
    8,999.46x = 54,882,412.63
  5. Step 5: Solve for x
    x = 54,882,412.63/8,999.46
  6. Step 6: Final answer
    x = 6,098.41

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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.