Home / 7,694.40-11,541.60-2,148.24

Finding the Fourth Proportional to 7,694.40, 11,541.60 and 2,148.24

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Solution

The fourth proportional to 7,694.40, 11,541.60 and 2,148.24 is: 3,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.40 : 11,541.60 = 2,148.24 : x
  2. Step 2: Convert to fraction form
    7,694.40/11,541.60 = 2,148.24/x
  3. Step 3: Cross multiply
    7,694.40x = 11,541.60 × 2,148.24
  4. Step 4: Simplify right side
    7,694.40x = 24,794,126.78
  5. Step 5: Solve for x
    x = 24,794,126.78/7,694.40
  6. Step 6: Final answer
    x = 3,222.36

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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.