Home / 7,648.72-11,471.71-2,026.43

Finding the Fourth Proportional to 7,648.72, 11,471.71 and 2,026.43

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Solution

The fourth proportional to 7,648.72, 11,471.71 and 2,026.43 is: 3,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.72 : 11,471.71 = 2,026.43 : x
  2. Step 2: Convert to fraction form
    7,648.72/11,471.71 = 2,026.43/x
  3. Step 3: Cross multiply
    7,648.72x = 11,471.71 × 2,026.43
  4. Step 4: Simplify right side
    7,648.72x = 23,246,617.30
  5. Step 5: Solve for x
    x = 23,246,617.30/7,648.72
  6. Step 6: Final answer
    x = 3,039.28

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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.