Home / 4,273.12-6,407.52-1,351.72

Finding the Fourth Proportional to 4,273.12, 6,407.52 and 1,351.72

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Solution

The fourth proportional to 4,273.12, 6,407.52 and 1,351.72 is: 2,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.12 : 6,407.52 = 1,351.72 : x
  2. Step 2: Convert to fraction form
    4,273.12/6,407.52 = 1,351.72/x
  3. Step 3: Cross multiply
    4,273.12x = 6,407.52 × 1,351.72
  4. Step 4: Simplify right side
    4,273.12x = 8,661,172.93
  5. Step 5: Solve for x
    x = 8,661,172.93/4,273.12
  6. Step 6: Final answer
    x = 2,026.90

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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.