Home / 5,459.95-8,189.13-2,685.88

Finding the Fourth Proportional to 5,459.95, 8,189.13 and 2,685.88

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Solution

The fourth proportional to 5,459.95, 8,189.13 and 2,685.88 is: 4,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.95 : 8,189.13 = 2,685.88 : x
  2. Step 2: Convert to fraction form
    5,459.95/8,189.13 = 2,685.88/x
  3. Step 3: Cross multiply
    5,459.95x = 8,189.13 × 2,685.88
  4. Step 4: Simplify right side
    5,459.95x = 21,995,040.79
  5. Step 5: Solve for x
    x = 21,995,040.79/5,459.95
  6. Step 6: Final answer
    x = 4,028.43

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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.