Home / 6,869.93-10,305.71-2,188.31

Finding the Fourth Proportional to 6,869.93, 10,305.71 and 2,188.31

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Solution

The fourth proportional to 6,869.93, 10,305.71 and 2,188.31 is: 3,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.93 : 10,305.71 = 2,188.31 : x
  2. Step 2: Convert to fraction form
    6,869.93/10,305.71 = 2,188.31/x
  3. Step 3: Cross multiply
    6,869.93x = 10,305.71 × 2,188.31
  4. Step 4: Simplify right side
    6,869.93x = 22,552,077.31
  5. Step 5: Solve for x
    x = 22,552,077.31/6,869.93
  6. Step 6: Final answer
    x = 3,282.72

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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.