Home / 8,054.32-12,081.33-3,309.48

Finding the Fourth Proportional to 8,054.32, 12,081.33 and 3,309.48

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Solution

The fourth proportional to 8,054.32, 12,081.33 and 3,309.48 is: 4,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.32 : 12,081.33 = 3,309.48 : x
  2. Step 2: Convert to fraction form
    8,054.32/12,081.33 = 3,309.48/x
  3. Step 3: Cross multiply
    8,054.32x = 12,081.33 × 3,309.48
  4. Step 4: Simplify right side
    8,054.32x = 39,982,920.01
  5. Step 5: Solve for x
    x = 39,982,920.01/8,054.32
  6. Step 6: Final answer
    x = 4,964.16

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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.