Home / 8,772.96-13,159.92-2,199.18

Finding the Fourth Proportional to 8,772.96, 13,159.92 and 2,199.18

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Solution

The fourth proportional to 8,772.96, 13,159.92 and 2,199.18 is: 3,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.96 : 13,159.92 = 2,199.18 : x
  2. Step 2: Convert to fraction form
    8,772.96/13,159.92 = 2,199.18/x
  3. Step 3: Cross multiply
    8,772.96x = 13,159.92 × 2,199.18
  4. Step 4: Simplify right side
    8,772.96x = 28,941,032.87
  5. Step 5: Solve for x
    x = 28,941,032.87/8,772.96
  6. Step 6: Final answer
    x = 3,298.89

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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.