Home / 8,708.06-13,060.83-2,785.61

Finding the Fourth Proportional to 8,708.06, 13,060.83 and 2,785.61

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Solution

The fourth proportional to 8,708.06, 13,060.83 and 2,785.61 is: 4,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.06 : 13,060.83 = 2,785.61 : x
  2. Step 2: Convert to fraction form
    8,708.06/13,060.83 = 2,785.61/x
  3. Step 3: Cross multiply
    8,708.06x = 13,060.83 × 2,785.61
  4. Step 4: Simplify right side
    8,708.06x = 36,382,378.66
  5. Step 5: Solve for x
    x = 36,382,378.66/8,708.06
  6. Step 6: Final answer
    x = 4,178.01

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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.