Home / 4,251.90-6,377.86-1,330.22

Finding the Fourth Proportional to 4,251.90, 6,377.86 and 1,330.22

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Solution

The fourth proportional to 4,251.90, 6,377.86 and 1,330.22 is: 1,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.90 : 6,377.86 = 1,330.22 : x
  2. Step 2: Convert to fraction form
    4,251.90/6,377.86 = 1,330.22/x
  3. Step 3: Cross multiply
    4,251.90x = 6,377.86 × 1,330.22
  4. Step 4: Simplify right side
    4,251.90x = 8,483,956.93
  5. Step 5: Solve for x
    x = 8,483,956.93/4,251.90
  6. Step 6: Final answer
    x = 1,995.33

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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.