Home / 8,764.95-13,149.90-2,922.06

Finding the Fourth Proportional to 8,764.95, 13,149.90 and 2,922.06

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Solution

The fourth proportional to 8,764.95, 13,149.90 and 2,922.06 is: 4,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.95 : 13,149.90 = 2,922.06 : x
  2. Step 2: Convert to fraction form
    8,764.95/13,149.90 = 2,922.06/x
  3. Step 3: Cross multiply
    8,764.95x = 13,149.90 × 2,922.06
  4. Step 4: Simplify right side
    8,764.95x = 38,424,796.79
  5. Step 5: Solve for x
    x = 38,424,796.79/8,764.95
  6. Step 6: Final answer
    x = 4,383.92

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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.