Home / 5,635.72-7,777.92-3,246.22

Finding the Fourth Proportional to 5,635.72, 7,777.92 and 3,246.22

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Solution

The fourth proportional to 5,635.72, 7,777.92 and 3,246.22 is: 4,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.72 : 7,777.92 = 3,246.22 : x
  2. Step 2: Convert to fraction form
    5,635.72/7,777.92 = 3,246.22/x
  3. Step 3: Cross multiply
    5,635.72x = 7,777.92 × 3,246.22
  4. Step 4: Simplify right side
    5,635.72x = 25,248,839.46
  5. Step 5: Solve for x
    x = 25,248,839.46/5,635.72
  6. Step 6: Final answer
    x = 4,480.14

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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.