Home / 6,147.40-9,215.54-2,250.90

Finding the Fourth Proportional to 6,147.40, 9,215.54 and 2,250.90

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Solution

The fourth proportional to 6,147.40, 9,215.54 and 2,250.90 is: 3,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.40 : 9,215.54 = 2,250.90 : x
  2. Step 2: Convert to fraction form
    6,147.40/9,215.54 = 2,250.90/x
  3. Step 3: Cross multiply
    6,147.40x = 9,215.54 × 2,250.90
  4. Step 4: Simplify right side
    6,147.40x = 20,743,258.99
  5. Step 5: Solve for x
    x = 20,743,258.99/6,147.40
  6. Step 6: Final answer
    x = 3,374.31

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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.