Home / 7,754.31-11,630.43-2,208.15

Finding the Fourth Proportional to 7,754.31, 11,630.43 and 2,208.15

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Solution

The fourth proportional to 7,754.31, 11,630.43 and 2,208.15 is: 3,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.31 : 11,630.43 = 2,208.15 : x
  2. Step 2: Convert to fraction form
    7,754.31/11,630.43 = 2,208.15/x
  3. Step 3: Cross multiply
    7,754.31x = 11,630.43 × 2,208.15
  4. Step 4: Simplify right side
    7,754.31x = 25,681,734.00
  5. Step 5: Solve for x
    x = 25,681,734.00/7,754.31
  6. Step 6: Final answer
    x = 3,311.93

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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.