Home / 8,784.47-13,174.72-2,543.09

Finding the Fourth Proportional to 8,784.47, 13,174.72 and 2,543.09

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Solution

The fourth proportional to 8,784.47, 13,174.72 and 2,543.09 is: 3,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.47 : 13,174.72 = 2,543.09 : x
  2. Step 2: Convert to fraction form
    8,784.47/13,174.72 = 2,543.09/x
  3. Step 3: Cross multiply
    8,784.47x = 13,174.72 × 2,543.09
  4. Step 4: Simplify right side
    8,784.47x = 33,504,426.45
  5. Step 5: Solve for x
    x = 33,504,426.45/8,784.47
  6. Step 6: Final answer
    x = 3,814.05

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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.