Home / 8,330.18-12,501.44-3,947.65

Finding the Fourth Proportional to 8,330.18, 12,501.44 and 3,947.65

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Solution

The fourth proportional to 8,330.18, 12,501.44 and 3,947.65 is: 5,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.18 : 12,501.44 = 3,947.65 : x
  2. Step 2: Convert to fraction form
    8,330.18/12,501.44 = 3,947.65/x
  3. Step 3: Cross multiply
    8,330.18x = 12,501.44 × 3,947.65
  4. Step 4: Simplify right side
    8,330.18x = 49,351,258.62
  5. Step 5: Solve for x
    x = 49,351,258.62/8,330.18
  6. Step 6: Final answer
    x = 5,924.39

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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.