Home / 8,947.37-12,344.32-5,221.37

Finding the Fourth Proportional to 8,947.37, 12,344.32 and 5,221.37

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Solution

The fourth proportional to 8,947.37, 12,344.32 and 5,221.37 is: 7,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.37 : 12,344.32 = 5,221.37 : x
  2. Step 2: Convert to fraction form
    8,947.37/12,344.32 = 5,221.37/x
  3. Step 3: Cross multiply
    8,947.37x = 12,344.32 × 5,221.37
  4. Step 4: Simplify right side
    8,947.37x = 64,454,262.12
  5. Step 5: Solve for x
    x = 64,454,262.12/8,947.37
  6. Step 6: Final answer
    x = 7,203.71

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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.