Home / 5,612.89-8,419.30-1,452.54

Finding the Fourth Proportional to 5,612.89, 8,419.30 and 1,452.54

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Solution

The fourth proportional to 5,612.89, 8,419.30 and 1,452.54 is: 2,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.89 : 8,419.30 = 1,452.54 : x
  2. Step 2: Convert to fraction form
    5,612.89/8,419.30 = 1,452.54/x
  3. Step 3: Cross multiply
    5,612.89x = 8,419.30 × 1,452.54
  4. Step 4: Simplify right side
    5,612.89x = 12,229,370.02
  5. Step 5: Solve for x
    x = 12,229,370.02/5,612.89
  6. Step 6: Final answer
    x = 2,178.80

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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.