Home / 7,895.28-11,843.22-2,630.76

Finding the Fourth Proportional to 7,895.28, 11,843.22 and 2,630.76

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Solution

The fourth proportional to 7,895.28, 11,843.22 and 2,630.76 is: 3,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.28 : 11,843.22 = 2,630.76 : x
  2. Step 2: Convert to fraction form
    7,895.28/11,843.22 = 2,630.76/x
  3. Step 3: Cross multiply
    7,895.28x = 11,843.22 × 2,630.76
  4. Step 4: Simplify right side
    7,895.28x = 31,156,669.45
  5. Step 5: Solve for x
    x = 31,156,669.45/7,895.28
  6. Step 6: Final answer
    x = 3,946.24

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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.