Home / 8,360.92-11,536.18-5,672.51

Finding the Fourth Proportional to 8,360.92, 11,536.18 and 5,672.51

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Solution

The fourth proportional to 8,360.92, 11,536.18 and 5,672.51 is: 7,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.92 : 11,536.18 = 5,672.51 : x
  2. Step 2: Convert to fraction form
    8,360.92/11,536.18 = 5,672.51/x
  3. Step 3: Cross multiply
    8,360.92x = 11,536.18 × 5,672.51
  4. Step 4: Simplify right side
    8,360.92x = 65,439,067.81
  5. Step 5: Solve for x
    x = 65,439,067.81/8,360.92
  6. Step 6: Final answer
    x = 7,826.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.