Home / 5,451.20-8,167.20-4,683.20

Finding the Fourth Proportional to 5,451.20, 8,167.20 and 4,683.20

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Solution

The fourth proportional to 5,451.20, 8,167.20 and 4,683.20 is: 7,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.20 : 8,167.20 = 4,683.20 : x
  2. Step 2: Convert to fraction form
    5,451.20/8,167.20 = 4,683.20/x
  3. Step 3: Cross multiply
    5,451.20x = 8,167.20 × 4,683.20
  4. Step 4: Simplify right side
    5,451.20x = 38,248,631.04
  5. Step 5: Solve for x
    x = 38,248,631.04/5,451.20
  6. Step 6: Final answer
    x = 7,016.55

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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.