Home / 8,551.23-12,817.13-3,617.79

Finding the Fourth Proportional to 8,551.23, 12,817.13 and 3,617.79

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Solution

The fourth proportional to 8,551.23, 12,817.13 and 3,617.79 is: 5,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.23 : 12,817.13 = 3,617.79 : x
  2. Step 2: Convert to fraction form
    8,551.23/12,817.13 = 3,617.79/x
  3. Step 3: Cross multiply
    8,551.23x = 12,817.13 × 3,617.79
  4. Step 4: Simplify right side
    8,551.23x = 46,369,666.65
  5. Step 5: Solve for x
    x = 46,369,666.65/8,551.23
  6. Step 6: Final answer
    x = 5,422.57

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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.