Home / 5,635.91-7,778.24-3,278.06

Finding the Fourth Proportional to 5,635.91, 7,778.24 and 3,278.06

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Solution

The fourth proportional to 5,635.91, 7,778.24 and 3,278.06 is: 4,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.91 : 7,778.24 = 3,278.06 : x
  2. Step 2: Convert to fraction form
    5,635.91/7,778.24 = 3,278.06/x
  3. Step 3: Cross multiply
    5,635.91x = 7,778.24 × 3,278.06
  4. Step 4: Simplify right side
    5,635.91x = 25,497,482.13
  5. Step 5: Solve for x
    x = 25,497,482.13/5,635.91
  6. Step 6: Final answer
    x = 4,524.11

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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.