Home / 10,617.84-15,927.51-3,222.90

Finding the Fourth Proportional to 10,617.84, 15,927.51 and 3,222.90

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Solution

The fourth proportional to 10,617.84, 15,927.51 and 3,222.90 is: 4,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.84 : 15,927.51 = 3,222.90 : x
  2. Step 2: Convert to fraction form
    10,617.84/15,927.51 = 3,222.90/x
  3. Step 3: Cross multiply
    10,617.84x = 15,927.51 × 3,222.90
  4. Step 4: Simplify right side
    10,617.84x = 51,332,771.98
  5. Step 5: Solve for x
    x = 51,332,771.98/10,617.84
  6. Step 6: Final answer
    x = 4,834.58

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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.