Home / 4,845.10-6,686.76-2,749

Finding the Fourth Proportional to 4,845.10, 6,686.76 and 2,749

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Solution

The fourth proportional to 4,845.10, 6,686.76 and 2,749 is: 3,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.10 : 6,686.76 = 2,749 : x
  2. Step 2: Convert to fraction form
    4,845.10/6,686.76 = 2,749/x
  3. Step 3: Cross multiply
    4,845.10x = 6,686.76 × 2,749
  4. Step 4: Simplify right side
    4,845.10x = 18,381,903.24
  5. Step 5: Solve for x
    x = 18,381,903.24/4,845.10
  6. Step 6: Final answer
    x = 3,793.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.