Home / 8,266.05-12,397.70-2,719.46

Finding the Fourth Proportional to 8,266.05, 12,397.70 and 2,719.46

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Solution

The fourth proportional to 8,266.05, 12,397.70 and 2,719.46 is: 4,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.05 : 12,397.70 = 2,719.46 : x
  2. Step 2: Convert to fraction form
    8,266.05/12,397.70 = 2,719.46/x
  3. Step 3: Cross multiply
    8,266.05x = 12,397.70 × 2,719.46
  4. Step 4: Simplify right side
    8,266.05x = 33,715,056.04
  5. Step 5: Solve for x
    x = 33,715,056.04/8,266.05
  6. Step 6: Final answer
    x = 4,078.74

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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.