Home / 4,251.40-6,377.10-1,329.69

Finding the Fourth Proportional to 4,251.40, 6,377.10 and 1,329.69

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Solution

The fourth proportional to 4,251.40, 6,377.10 and 1,329.69 is: 1,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.40 : 6,377.10 = 1,329.69 : x
  2. Step 2: Convert to fraction form
    4,251.40/6,377.10 = 1,329.69/x
  3. Step 3: Cross multiply
    4,251.40x = 6,377.10 × 1,329.69
  4. Step 4: Simplify right side
    4,251.40x = 8,479,566.10
  5. Step 5: Solve for x
    x = 8,479,566.10/4,251.40
  6. Step 6: Final answer
    x = 1,994.54

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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.