Home / 4,909.67-6,775.40-2,671.56

Finding the Fourth Proportional to 4,909.67, 6,775.40 and 2,671.56

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Solution

The fourth proportional to 4,909.67, 6,775.40 and 2,671.56 is: 3,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.67 : 6,775.40 = 2,671.56 : x
  2. Step 2: Convert to fraction form
    4,909.67/6,775.40 = 2,671.56/x
  3. Step 3: Cross multiply
    4,909.67x = 6,775.40 × 2,671.56
  4. Step 4: Simplify right side
    4,909.67x = 18,100,887.62
  5. Step 5: Solve for x
    x = 18,100,887.62/4,909.67
  6. Step 6: Final answer
    x = 3,686.78

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1.5x scale

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.