Home / 8,887.65-13,326.92-5,197.09

Finding the Fourth Proportional to 8,887.65, 13,326.92 and 5,197.09

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Solution

The fourth proportional to 8,887.65, 13,326.92 and 5,197.09 is: 7,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.65 : 13,326.92 = 5,197.09 : x
  2. Step 2: Convert to fraction form
    8,887.65/13,326.92 = 5,197.09/x
  3. Step 3: Cross multiply
    8,887.65x = 13,326.92 × 5,197.09
  4. Step 4: Simplify right side
    8,887.65x = 69,261,143.36
  5. Step 5: Solve for x
    x = 69,261,143.36/8,887.65
  6. Step 6: Final answer
    x = 7,792.96

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1.5x scale

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.