Home / 5,388.38-8,084.27-3,426.25

Finding the Fourth Proportional to 5,388.38, 8,084.27 and 3,426.25

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Solution

The fourth proportional to 5,388.38, 8,084.27 and 3,426.25 is: 5,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.38 : 8,084.27 = 3,426.25 : x
  2. Step 2: Convert to fraction form
    5,388.38/8,084.27 = 3,426.25/x
  3. Step 3: Cross multiply
    5,388.38x = 8,084.27 × 3,426.25
  4. Step 4: Simplify right side
    5,388.38x = 27,698,672.53
  5. Step 5: Solve for x
    x = 27,698,672.53/5,388.38
  6. Step 6: Final answer
    x = 5,140.45

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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.