Home / 6,717.56-10,077.24-3,157.20

Finding the Fourth Proportional to 6,717.56, 10,077.24 and 3,157.20

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Solution

The fourth proportional to 6,717.56, 10,077.24 and 3,157.20 is: 4,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.56 : 10,077.24 = 3,157.20 : x
  2. Step 2: Convert to fraction form
    6,717.56/10,077.24 = 3,157.20/x
  3. Step 3: Cross multiply
    6,717.56x = 10,077.24 × 3,157.20
  4. Step 4: Simplify right side
    6,717.56x = 31,815,862.13
  5. Step 5: Solve for x
    x = 31,815,862.13/6,717.56
  6. Step 6: Final answer
    x = 4,736.23

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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.