Home / 5,167.20-7,750.32-3,219.36

Finding the Fourth Proportional to 5,167.20, 7,750.32 and 3,219.36

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Solution

The fourth proportional to 5,167.20, 7,750.32 and 3,219.36 is: 4,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.20 : 7,750.32 = 3,219.36 : x
  2. Step 2: Convert to fraction form
    5,167.20/7,750.32 = 3,219.36/x
  3. Step 3: Cross multiply
    5,167.20x = 7,750.32 × 3,219.36
  4. Step 4: Simplify right side
    5,167.20x = 24,951,070.20
  5. Step 5: Solve for x
    x = 24,951,070.20/5,167.20
  6. Step 6: Final answer
    x = 4,828.74

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1.5x scale

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.