Home / 5,452.84-8,178.78-2,331.88

Finding the Fourth Proportional to 5,452.84, 8,178.78 and 2,331.88

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Solution

The fourth proportional to 5,452.84, 8,178.78 and 2,331.88 is: 3,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.84 : 8,178.78 = 2,331.88 : x
  2. Step 2: Convert to fraction form
    5,452.84/8,178.78 = 2,331.88/x
  3. Step 3: Cross multiply
    5,452.84x = 8,178.78 × 2,331.88
  4. Step 4: Simplify right side
    5,452.84x = 19,071,933.51
  5. Step 5: Solve for x
    x = 19,071,933.51/5,452.84
  6. Step 6: Final answer
    x = 3,497.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.