Home / 5,314.46-7,959.51-2,543.09

Finding the Fourth Proportional to 5,314.46, 7,959.51 and 2,543.09

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Solution

The fourth proportional to 5,314.46, 7,959.51 and 2,543.09 is: 3,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.46 : 7,959.51 = 2,543.09 : x
  2. Step 2: Convert to fraction form
    5,314.46/7,959.51 = 2,543.09/x
  3. Step 3: Cross multiply
    5,314.46x = 7,959.51 × 2,543.09
  4. Step 4: Simplify right side
    5,314.46x = 20,241,710.49
  5. Step 5: Solve for x
    x = 20,241,710.49/5,314.46
  6. Step 6: Final answer
    x = 3,808.80

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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.