Home / 5,487.38-8,228.12-1,738.47

Finding the Fourth Proportional to 5,487.38, 8,228.12 and 1,738.47

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Solution

The fourth proportional to 5,487.38, 8,228.12 and 1,738.47 is: 2,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.38 : 8,228.12 = 1,738.47 : x
  2. Step 2: Convert to fraction form
    5,487.38/8,228.12 = 1,738.47/x
  3. Step 3: Cross multiply
    5,487.38x = 8,228.12 × 1,738.47
  4. Step 4: Simplify right side
    5,487.38x = 14,304,315.66
  5. Step 5: Solve for x
    x = 14,304,315.66/5,487.38
  6. Step 6: Final answer
    x = 2,606.77

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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.