Home / 8,330.32-12,501.62-3,947.77

Finding the Fourth Proportional to 8,330.32, 12,501.62 and 3,947.77

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Solution

The fourth proportional to 8,330.32, 12,501.62 and 3,947.77 is: 5,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.32 : 12,501.62 = 3,947.77 : x
  2. Step 2: Convert to fraction form
    8,330.32/12,501.62 = 3,947.77/x
  3. Step 3: Cross multiply
    8,330.32x = 12,501.62 × 3,947.77
  4. Step 4: Simplify right side
    8,330.32x = 49,353,520.39
  5. Step 5: Solve for x
    x = 49,353,520.39/8,330.32
  6. Step 6: Final answer
    x = 5,924.56

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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.