Home / 8,719.67-13,079.56-2,797.46

Finding the Fourth Proportional to 8,719.67, 13,079.56 and 2,797.46

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Solution

The fourth proportional to 8,719.67, 13,079.56 and 2,797.46 is: 4,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.67 : 13,079.56 = 2,797.46 : x
  2. Step 2: Convert to fraction form
    8,719.67/13,079.56 = 2,797.46/x
  3. Step 3: Cross multiply
    8,719.67x = 13,079.56 × 2,797.46
  4. Step 4: Simplify right side
    8,719.67x = 36,589,478.77
  5. Step 5: Solve for x
    x = 36,589,478.77/8,719.67
  6. Step 6: Final answer
    x = 4,196.20

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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.