Home / 6,340.75-9,515.45-2,236.75

Finding the Fourth Proportional to 6,340.75, 9,515.45 and 2,236.75

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Solution

The fourth proportional to 6,340.75, 9,515.45 and 2,236.75 is: 3,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.75 : 9,515.45 = 2,236.75 : x
  2. Step 2: Convert to fraction form
    6,340.75/9,515.45 = 2,236.75/x
  3. Step 3: Cross multiply
    6,340.75x = 9,515.45 × 2,236.75
  4. Step 4: Simplify right side
    6,340.75x = 21,283,671.60
  5. Step 5: Solve for x
    x = 21,283,671.60/6,340.75
  6. Step 6: Final answer
    x = 3,356.65

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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.