Home / 4,470.32-6,168.40-2,879.13

Finding the Fourth Proportional to 4,470.32, 6,168.40 and 2,879.13

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Solution

The fourth proportional to 4,470.32, 6,168.40 and 2,879.13 is: 3,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.32 : 6,168.40 = 2,879.13 : x
  2. Step 2: Convert to fraction form
    4,470.32/6,168.40 = 2,879.13/x
  3. Step 3: Cross multiply
    4,470.32x = 6,168.40 × 2,879.13
  4. Step 4: Simplify right side
    4,470.32x = 17,759,641.43
  5. Step 5: Solve for x
    x = 17,759,641.43/4,470.32
  6. Step 6: Final answer
    x = 3,972.79

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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.