Home / 8,330.43-12,501.81-3,947.90

Finding the Fourth Proportional to 8,330.43, 12,501.81 and 3,947.90

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Solution

The fourth proportional to 8,330.43, 12,501.81 and 3,947.90 is: 5,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.43 : 12,501.81 = 3,947.90 : x
  2. Step 2: Convert to fraction form
    8,330.43/12,501.81 = 3,947.90/x
  3. Step 3: Cross multiply
    8,330.43x = 12,501.81 × 3,947.90
  4. Step 4: Simplify right side
    8,330.43x = 49,355,895.70
  5. Step 5: Solve for x
    x = 49,355,895.70/8,330.43
  6. Step 6: Final answer
    x = 5,924.77

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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.