Home / 5,429.54-8,144.30-1,731.76

Finding the Fourth Proportional to 5,429.54, 8,144.30 and 1,731.76

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Solution

The fourth proportional to 5,429.54, 8,144.30 and 1,731.76 is: 2,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.54 : 8,144.30 = 1,731.76 : x
  2. Step 2: Convert to fraction form
    5,429.54/8,144.30 = 1,731.76/x
  3. Step 3: Cross multiply
    5,429.54x = 8,144.30 × 1,731.76
  4. Step 4: Simplify right side
    5,429.54x = 14,103,972.97
  5. Step 5: Solve for x
    x = 14,103,972.97/5,429.54
  6. Step 6: Final answer
    x = 2,597.64

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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.