Home / 5,456.18-8,185.58-1,758.76

Finding the Fourth Proportional to 5,456.18, 8,185.58 and 1,758.76

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Solution

The fourth proportional to 5,456.18, 8,185.58 and 1,758.76 is: 2,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.18 : 8,185.58 = 1,758.76 : x
  2. Step 2: Convert to fraction form
    5,456.18/8,185.58 = 1,758.76/x
  3. Step 3: Cross multiply
    5,456.18x = 8,185.58 × 1,758.76
  4. Step 4: Simplify right side
    5,456.18x = 14,396,470.68
  5. Step 5: Solve for x
    x = 14,396,470.68/5,456.18
  6. Step 6: Final answer
    x = 2,638.56

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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.