Home / 4,247.66-6,404.06-3,961.80

Finding the Fourth Proportional to 4,247.66, 6,404.06 and 3,961.80

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Solution

The fourth proportional to 4,247.66, 6,404.06 and 3,961.80 is: 5,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.66 : 6,404.06 = 3,961.80 : x
  2. Step 2: Convert to fraction form
    4,247.66/6,404.06 = 3,961.80/x
  3. Step 3: Cross multiply
    4,247.66x = 6,404.06 × 3,961.80
  4. Step 4: Simplify right side
    4,247.66x = 25,371,614.81
  5. Step 5: Solve for x
    x = 25,371,614.81/4,247.66
  6. Step 6: Final answer
    x = 5,973.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.