Home / 5,414.80-7,470.73-3,176.77

Finding the Fourth Proportional to 5,414.80, 7,470.73 and 3,176.77

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Solution

The fourth proportional to 5,414.80, 7,470.73 and 3,176.77 is: 4,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.80 : 7,470.73 = 3,176.77 : x
  2. Step 2: Convert to fraction form
    5,414.80/7,470.73 = 3,176.77/x
  3. Step 3: Cross multiply
    5,414.80x = 7,470.73 × 3,176.77
  4. Step 4: Simplify right side
    5,414.80x = 23,732,764.32
  5. Step 5: Solve for x
    x = 23,732,764.32/5,414.80
  6. Step 6: Final answer
    x = 4,382.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.