Home / 8,873.20-13,309.76-2,717.20

Finding the Fourth Proportional to 8,873.20, 13,309.76 and 2,717.20

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Solution

The fourth proportional to 8,873.20, 13,309.76 and 2,717.20 is: 4,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.20 : 13,309.76 = 2,717.20 : x
  2. Step 2: Convert to fraction form
    8,873.20/13,309.76 = 2,717.20/x
  3. Step 3: Cross multiply
    8,873.20x = 13,309.76 × 2,717.20
  4. Step 4: Simplify right side
    8,873.20x = 36,165,279.87
  5. Step 5: Solve for x
    x = 36,165,279.87/8,873.20
  6. Step 6: Final answer
    x = 4,075.79

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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.