Home / 8,869.12-12,238.26-5,512.48

Finding the Fourth Proportional to 8,869.12, 12,238.26 and 5,512.48

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Solution

The fourth proportional to 8,869.12, 12,238.26 and 5,512.48 is: 7,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.12 : 12,238.26 = 5,512.48 : x
  2. Step 2: Convert to fraction form
    8,869.12/12,238.26 = 5,512.48/x
  3. Step 3: Cross multiply
    8,869.12x = 12,238.26 × 5,512.48
  4. Step 4: Simplify right side
    8,869.12x = 67,463,163.48
  5. Step 5: Solve for x
    x = 67,463,163.48/8,869.12
  6. Step 6: Final answer
    x = 7,606.52

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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.