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Finding the Fourth Proportional to 6,866.76, 10,300.80 and 2,483.20

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Solution

The fourth proportional to 6,866.76, 10,300.80 and 2,483.20 is: 3,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.76 : 10,300.80 = 2,483.20 : x
  2. Step 2: Convert to fraction form
    6,866.76/10,300.80 = 2,483.20/x
  3. Step 3: Cross multiply
    6,866.76x = 10,300.80 × 2,483.20
  4. Step 4: Simplify right side
    6,866.76x = 25,578,946.56
  5. Step 5: Solve for x
    x = 25,578,946.56/6,866.76
  6. Step 6: Final answer
    x = 3,725.04

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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.