Home / 5,331-7,964.16-4,456.20

Finding the Fourth Proportional to 5,331, 7,964.16 and 4,456.20

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Solution

The fourth proportional to 5,331, 7,964.16 and 4,456.20 is: 6,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331 : 7,964.16 = 4,456.20 : x
  2. Step 2: Convert to fraction form
    5,331/7,964.16 = 4,456.20/x
  3. Step 3: Cross multiply
    5,331x = 7,964.16 × 4,456.20
  4. Step 4: Simplify right side
    5,331x = 35,489,889.79
  5. Step 5: Solve for x
    x = 35,489,889.79/5,331
  6. Step 6: Final answer
    x = 6,657.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.