Home / 5,486.40-8,229.60-2,023.20

Finding the Fourth Proportional to 5,486.40, 8,229.60 and 2,023.20

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Solution

The fourth proportional to 5,486.40, 8,229.60 and 2,023.20 is: 3,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.40 : 8,229.60 = 2,023.20 : x
  2. Step 2: Convert to fraction form
    5,486.40/8,229.60 = 2,023.20/x
  3. Step 3: Cross multiply
    5,486.40x = 8,229.60 × 2,023.20
  4. Step 4: Simplify right side
    5,486.40x = 16,650,126.72
  5. Step 5: Solve for x
    x = 16,650,126.72/5,486.40
  6. Step 6: Final answer
    x = 3,034.80

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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.