Home / 8,055.28-11,116.38-4,470.31

Finding the Fourth Proportional to 8,055.28, 11,116.38 and 4,470.31

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Solution

The fourth proportional to 8,055.28, 11,116.38 and 4,470.31 is: 6,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.28 : 11,116.38 = 4,470.31 : x
  2. Step 2: Convert to fraction form
    8,055.28/11,116.38 = 4,470.31/x
  3. Step 3: Cross multiply
    8,055.28x = 11,116.38 × 4,470.31
  4. Step 4: Simplify right side
    8,055.28x = 49,693,597.92
  5. Step 5: Solve for x
    x = 49,693,597.92/8,055.28
  6. Step 6: Final answer
    x = 6,169.07

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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.