Home / 5,114.12-7,672.40-1,826.96

Finding the Fourth Proportional to 5,114.12, 7,672.40 and 1,826.96

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Solution

The fourth proportional to 5,114.12, 7,672.40 and 1,826.96 is: 2,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.12 : 7,672.40 = 1,826.96 : x
  2. Step 2: Convert to fraction form
    5,114.12/7,672.40 = 1,826.96/x
  3. Step 3: Cross multiply
    5,114.12x = 7,672.40 × 1,826.96
  4. Step 4: Simplify right side
    5,114.12x = 14,017,167.90
  5. Step 5: Solve for x
    x = 14,017,167.90/5,114.12
  6. Step 6: Final answer
    x = 2,740.88

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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.