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Finding the Fourth Proportional to 8,900.01, 13,350.15 and 2,658.65

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Solution

The fourth proportional to 8,900.01, 13,350.15 and 2,658.65 is: 3,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.01 : 13,350.15 = 2,658.65 : x
  2. Step 2: Convert to fraction form
    8,900.01/13,350.15 = 2,658.65/x
  3. Step 3: Cross multiply
    8,900.01x = 13,350.15 × 2,658.65
  4. Step 4: Simplify right side
    8,900.01x = 35,493,309.55
  5. Step 5: Solve for x
    x = 35,493,309.55/8,900.01
  6. Step 6: Final answer
    x = 3,988.01

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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.