Home / 4,612.56-6,921.96-1,693.20

Finding the Fourth Proportional to 4,612.56, 6,921.96 and 1,693.20

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Solution

The fourth proportional to 4,612.56, 6,921.96 and 1,693.20 is: 2,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.56 : 6,921.96 = 1,693.20 : x
  2. Step 2: Convert to fraction form
    4,612.56/6,921.96 = 1,693.20/x
  3. Step 3: Cross multiply
    4,612.56x = 6,921.96 × 1,693.20
  4. Step 4: Simplify right side
    4,612.56x = 11,720,262.67
  5. Step 5: Solve for x
    x = 11,720,262.67/4,612.56
  6. Step 6: Final answer
    x = 2,540.95

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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.