Home / 8,212.08-11,342.12-5,983.92

Finding the Fourth Proportional to 8,212.08, 11,342.12 and 5,983.92

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Solution

The fourth proportional to 8,212.08, 11,342.12 and 5,983.92 is: 8,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.08 : 11,342.12 = 5,983.92 : x
  2. Step 2: Convert to fraction form
    8,212.08/11,342.12 = 5,983.92/x
  3. Step 3: Cross multiply
    8,212.08x = 11,342.12 × 5,983.92
  4. Step 4: Simplify right side
    8,212.08x = 67,870,338.71
  5. Step 5: Solve for x
    x = 67,870,338.71/8,212.08
  6. Step 6: Final answer
    x = 8,264.70

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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.