Home / 4,217.20-6,312.96-3,171.04

Finding the Fourth Proportional to 4,217.20, 6,312.96 and 3,171.04

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Solution

The fourth proportional to 4,217.20, 6,312.96 and 3,171.04 is: 4,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.20 : 6,312.96 = 3,171.04 : x
  2. Step 2: Convert to fraction form
    4,217.20/6,312.96 = 3,171.04/x
  3. Step 3: Cross multiply
    4,217.20x = 6,312.96 × 3,171.04
  4. Step 4: Simplify right side
    4,217.20x = 20,018,648.68
  5. Step 5: Solve for x
    x = 20,018,648.68/4,217.20
  6. Step 6: Final answer
    x = 4,746.91

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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.