Home / 8,619.93-12,927.39-3,937.46

Finding the Fourth Proportional to 8,619.93, 12,927.39 and 3,937.46

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Solution

The fourth proportional to 8,619.93, 12,927.39 and 3,937.46 is: 5,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.93 : 12,927.39 = 3,937.46 : x
  2. Step 2: Convert to fraction form
    8,619.93/12,927.39 = 3,937.46/x
  3. Step 3: Cross multiply
    8,619.93x = 12,927.39 × 3,937.46
  4. Step 4: Simplify right side
    8,619.93x = 50,901,016.39
  5. Step 5: Solve for x
    x = 50,901,016.39/8,619.93
  6. Step 6: Final answer
    x = 5,905.04

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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.