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Finding the Fourth Proportional to 6,900.24, 10,347.12 and 2,280

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Solution

The fourth proportional to 6,900.24, 10,347.12 and 2,280 is: 3,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.24 : 10,347.12 = 2,280 : x
  2. Step 2: Convert to fraction form
    6,900.24/10,347.12 = 2,280/x
  3. Step 3: Cross multiply
    6,900.24x = 10,347.12 × 2,280
  4. Step 4: Simplify right side
    6,900.24x = 23,591,433.60
  5. Step 5: Solve for x
    x = 23,591,433.60/6,900.24
  6. Step 6: Final answer
    x = 3,418.93

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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.