Home / 5,461.44-8,179.08-3,145.92

Finding the Fourth Proportional to 5,461.44, 8,179.08 and 3,145.92

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Solution

The fourth proportional to 5,461.44, 8,179.08 and 3,145.92 is: 4,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.44 : 8,179.08 = 3,145.92 : x
  2. Step 2: Convert to fraction form
    5,461.44/8,179.08 = 3,145.92/x
  3. Step 3: Cross multiply
    5,461.44x = 8,179.08 × 3,145.92
  4. Step 4: Simplify right side
    5,461.44x = 25,730,731.35
  5. Step 5: Solve for x
    x = 25,730,731.35/5,461.44
  6. Step 6: Final answer
    x = 4,711.35

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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.