Home / 4,251.77-6,379.07-1,479.14

Finding the Fourth Proportional to 4,251.77, 6,379.07 and 1,479.14

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Solution

The fourth proportional to 4,251.77, 6,379.07 and 1,479.14 is: 2,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.77 : 6,379.07 = 1,479.14 : x
  2. Step 2: Convert to fraction form
    4,251.77/6,379.07 = 1,479.14/x
  3. Step 3: Cross multiply
    4,251.77x = 6,379.07 × 1,479.14
  4. Step 4: Simplify right side
    4,251.77x = 9,435,498.31
  5. Step 5: Solve for x
    x = 9,435,498.31/4,251.77
  6. Step 6: Final answer
    x = 2,219.20

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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.