Home / 4,306.25-6,445.40-2,826.78

Finding the Fourth Proportional to 4,306.25, 6,445.40 and 2,826.78

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Solution

The fourth proportional to 4,306.25, 6,445.40 and 2,826.78 is: 4,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.25 : 6,445.40 = 2,826.78 : x
  2. Step 2: Convert to fraction form
    4,306.25/6,445.40 = 2,826.78/x
  3. Step 3: Cross multiply
    4,306.25x = 6,445.40 × 2,826.78
  4. Step 4: Simplify right side
    4,306.25x = 18,219,713.68
  5. Step 5: Solve for x
    x = 18,219,713.68/4,306.25
  6. Step 6: Final answer
    x = 4,231.00

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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.