Home / 5,264.39-7,899.35-2,146.70

Finding the Fourth Proportional to 5,264.39, 7,899.35 and 2,146.70

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Solution

The fourth proportional to 5,264.39, 7,899.35 and 2,146.70 is: 3,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.39 : 7,899.35 = 2,146.70 : x
  2. Step 2: Convert to fraction form
    5,264.39/7,899.35 = 2,146.70/x
  3. Step 3: Cross multiply
    5,264.39x = 7,899.35 × 2,146.70
  4. Step 4: Simplify right side
    5,264.39x = 16,957,484.41
  5. Step 5: Solve for x
    x = 16,957,484.41/5,264.39
  6. Step 6: Final answer
    x = 3,221.17

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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.