Home / 5,708.12-7,879.62-3,470.70

Finding the Fourth Proportional to 5,708.12, 7,879.62 and 3,470.70

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Solution

The fourth proportional to 5,708.12, 7,879.62 and 3,470.70 is: 4,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.12 : 7,879.62 = 3,470.70 : x
  2. Step 2: Convert to fraction form
    5,708.12/7,879.62 = 3,470.70/x
  3. Step 3: Cross multiply
    5,708.12x = 7,879.62 × 3,470.70
  4. Step 4: Simplify right side
    5,708.12x = 27,347,839.70
  5. Step 5: Solve for x
    x = 27,347,839.70/5,708.12
  6. Step 6: Final answer
    x = 4,791.05

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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.