Home / 8,163.51-12,244.86-2,319.36

Finding the Fourth Proportional to 8,163.51, 12,244.86 and 2,319.36

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Solution

The fourth proportional to 8,163.51, 12,244.86 and 2,319.36 is: 3,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.51 : 12,244.86 = 2,319.36 : x
  2. Step 2: Convert to fraction form
    8,163.51/12,244.86 = 2,319.36/x
  3. Step 3: Cross multiply
    8,163.51x = 12,244.86 × 2,319.36
  4. Step 4: Simplify right side
    8,163.51x = 28,400,238.49
  5. Step 5: Solve for x
    x = 28,400,238.49/8,163.51
  6. Step 6: Final answer
    x = 3,478.92

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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.