Home / 5,378.88-8,062.65-2,459.10

Finding the Fourth Proportional to 5,378.88, 8,062.65 and 2,459.10

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Solution

The fourth proportional to 5,378.88, 8,062.65 and 2,459.10 is: 3,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.88 : 8,062.65 = 2,459.10 : x
  2. Step 2: Convert to fraction form
    5,378.88/8,062.65 = 2,459.10/x
  3. Step 3: Cross multiply
    5,378.88x = 8,062.65 × 2,459.10
  4. Step 4: Simplify right side
    5,378.88x = 19,826,862.62
  5. Step 5: Solve for x
    x = 19,826,862.62/5,378.88
  6. Step 6: Final answer
    x = 3,686.06

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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.