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Finding the Fourth Proportional to 6,750.10, 10,125.96 and 2,854

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Solution

The fourth proportional to 6,750.10, 10,125.96 and 2,854 is: 4,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.10 : 10,125.96 = 2,854 : x
  2. Step 2: Convert to fraction form
    6,750.10/10,125.96 = 2,854/x
  3. Step 3: Cross multiply
    6,750.10x = 10,125.96 × 2,854
  4. Step 4: Simplify right side
    6,750.10x = 28,899,489.84
  5. Step 5: Solve for x
    x = 28,899,489.84/6,750.10
  6. Step 6: Final answer
    x = 4,281.34

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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.