Home / 6,868.40-10,298.76-2,763.44

Finding the Fourth Proportional to 6,868.40, 10,298.76 and 2,763.44

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Solution

The fourth proportional to 6,868.40, 10,298.76 and 2,763.44 is: 4,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.40 : 10,298.76 = 2,763.44 : x
  2. Step 2: Convert to fraction form
    6,868.40/10,298.76 = 2,763.44/x
  3. Step 3: Cross multiply
    6,868.40x = 10,298.76 × 2,763.44
  4. Step 4: Simplify right side
    6,868.40x = 28,460,005.33
  5. Step 5: Solve for x
    x = 28,460,005.33/6,868.40
  6. Step 6: Final answer
    x = 4,143.62

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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.