Home / 4,476.06-6,715.17-1,879.20

Finding the Fourth Proportional to 4,476.06, 6,715.17 and 1,879.20

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Solution

The fourth proportional to 4,476.06, 6,715.17 and 1,879.20 is: 2,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.06 : 6,715.17 = 1,879.20 : x
  2. Step 2: Convert to fraction form
    4,476.06/6,715.17 = 1,879.20/x
  3. Step 3: Cross multiply
    4,476.06x = 6,715.17 × 1,879.20
  4. Step 4: Simplify right side
    4,476.06x = 12,619,147.46
  5. Step 5: Solve for x
    x = 12,619,147.46/4,476.06
  6. Step 6: Final answer
    x = 2,819.25

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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.