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Finding the Fourth Proportional to 8,900.19, 13,332.42 and 4,149.63

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Solution

The fourth proportional to 8,900.19, 13,332.42 and 4,149.63 is: 6,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.19 : 13,332.42 = 4,149.63 : x
  2. Step 2: Convert to fraction form
    8,900.19/13,332.42 = 4,149.63/x
  3. Step 3: Cross multiply
    8,900.19x = 13,332.42 × 4,149.63
  4. Step 4: Simplify right side
    8,900.19x = 55,324,610.00
  5. Step 5: Solve for x
    x = 55,324,610.00/8,900.19
  6. Step 6: Final answer
    x = 6,216.12

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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.