Home / 4,462.40-6,693.60-1,540.80

Finding the Fourth Proportional to 4,462.40, 6,693.60 and 1,540.80

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Solution

The fourth proportional to 4,462.40, 6,693.60 and 1,540.80 is: 2,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.40 : 6,693.60 = 1,540.80 : x
  2. Step 2: Convert to fraction form
    4,462.40/6,693.60 = 1,540.80/x
  3. Step 3: Cross multiply
    4,462.40x = 6,693.60 × 1,540.80
  4. Step 4: Simplify right side
    4,462.40x = 10,313,498.88
  5. Step 5: Solve for x
    x = 10,313,498.88/4,462.40
  6. Step 6: Final answer
    x = 2,311.20

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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.