Home / 8,165.73-11,255.91-5,328.10

Finding the Fourth Proportional to 8,165.73, 11,255.91 and 5,328.10

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Solution

The fourth proportional to 8,165.73, 11,255.91 and 5,328.10 is: 7,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.73 : 11,255.91 = 5,328.10 : x
  2. Step 2: Convert to fraction form
    8,165.73/11,255.91 = 5,328.10/x
  3. Step 3: Cross multiply
    8,165.73x = 11,255.91 × 5,328.10
  4. Step 4: Simplify right side
    8,165.73x = 59,972,614.07
  5. Step 5: Solve for x
    x = 59,972,614.07/8,165.73
  6. Step 6: Final answer
    x = 7,344.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.