Home / 8,217.65-12,324.66-4,931.69

Finding the Fourth Proportional to 8,217.65, 12,324.66 and 4,931.69

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Solution

The fourth proportional to 8,217.65, 12,324.66 and 4,931.69 is: 7,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.65 : 12,324.66 = 4,931.69 : x
  2. Step 2: Convert to fraction form
    8,217.65/12,324.66 = 4,931.69/x
  3. Step 3: Cross multiply
    8,217.65x = 12,324.66 × 4,931.69
  4. Step 4: Simplify right side
    8,217.65x = 60,781,322.36
  5. Step 5: Solve for x
    x = 60,781,322.36/8,217.65
  6. Step 6: Final answer
    x = 7,396.43

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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.