Home / 6,963.20-9,621.92-5,071.48

Finding the Fourth Proportional to 6,963.20, 9,621.92 and 5,071.48

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Solution

The fourth proportional to 6,963.20, 9,621.92 and 5,071.48 is: 7,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.20 : 9,621.92 = 5,071.48 : x
  2. Step 2: Convert to fraction form
    6,963.20/9,621.92 = 5,071.48/x
  3. Step 3: Cross multiply
    6,963.20x = 9,621.92 × 5,071.48
  4. Step 4: Simplify right side
    6,963.20x = 48,797,363.47
  5. Step 5: Solve for x
    x = 48,797,363.47/6,963.20
  6. Step 6: Final answer
    x = 7,007.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.