Home / 7,784.25-11,681.24-3,167.25

Finding the Fourth Proportional to 7,784.25, 11,681.24 and 3,167.25

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Solution

The fourth proportional to 7,784.25, 11,681.24 and 3,167.25 is: 4,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.25 : 11,681.24 = 3,167.25 : x
  2. Step 2: Convert to fraction form
    7,784.25/11,681.24 = 3,167.25/x
  3. Step 3: Cross multiply
    7,784.25x = 11,681.24 × 3,167.25
  4. Step 4: Simplify right side
    7,784.25x = 36,997,391.55
  5. Step 5: Solve for x
    x = 36,997,391.55/7,784.25
  6. Step 6: Final answer
    x = 4,752.85

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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.