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Finding the Fourth Proportional to 6,868.73, 10,303.74 and 1,871.17

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Solution

The fourth proportional to 6,868.73, 10,303.74 and 1,871.17 is: 2,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.73 : 10,303.74 = 1,871.17 : x
  2. Step 2: Convert to fraction form
    6,868.73/10,303.74 = 1,871.17/x
  3. Step 3: Cross multiply
    6,868.73x = 10,303.74 × 1,871.17
  4. Step 4: Simplify right side
    6,868.73x = 19,280,023.42
  5. Step 5: Solve for x
    x = 19,280,023.42/6,868.73
  6. Step 6: Final answer
    x = 2,806.93

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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.