Home / 8,799.47-13,195.99-2,557.79

Finding the Fourth Proportional to 8,799.47, 13,195.99 and 2,557.79

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Solution

The fourth proportional to 8,799.47, 13,195.99 and 2,557.79 is: 3,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.47 : 13,195.99 = 2,557.79 : x
  2. Step 2: Convert to fraction form
    8,799.47/13,195.99 = 2,557.79/x
  3. Step 3: Cross multiply
    8,799.47x = 13,195.99 × 2,557.79
  4. Step 4: Simplify right side
    8,799.47x = 33,752,558.47
  5. Step 5: Solve for x
    x = 33,752,558.47/8,799.47
  6. Step 6: Final answer
    x = 3,835.75

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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.