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Finding the Fourth Proportional to 6,888.78, 10,329.28 and 6,301.02

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Solution

The fourth proportional to 6,888.78, 10,329.28 and 6,301.02 is: 9,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.78 : 10,329.28 = 6,301.02 : x
  2. Step 2: Convert to fraction form
    6,888.78/10,329.28 = 6,301.02/x
  3. Step 3: Cross multiply
    6,888.78x = 10,329.28 × 6,301.02
  4. Step 4: Simplify right side
    6,888.78x = 65,085,022.85
  5. Step 5: Solve for x
    x = 65,085,022.85/6,888.78
  6. Step 6: Final answer
    x = 9,447.98

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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.