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Finding the Fourth Proportional to 6,866.78, 10,300.16 and 2,483.66

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Solution

The fourth proportional to 6,866.78, 10,300.16 and 2,483.66 is: 3,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.78 : 10,300.16 = 2,483.66 : x
  2. Step 2: Convert to fraction form
    6,866.78/10,300.16 = 2,483.66/x
  3. Step 3: Cross multiply
    6,866.78x = 10,300.16 × 2,483.66
  4. Step 4: Simplify right side
    6,866.78x = 25,582,127.35
  5. Step 5: Solve for x
    x = 25,582,127.35/6,866.78
  6. Step 6: Final answer
    x = 3,725.49

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Similar ratio
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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.