Home / 8,162.29-11,261.91-5,177.02

Finding the Fourth Proportional to 8,162.29, 11,261.91 and 5,177.02

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Solution

The fourth proportional to 8,162.29, 11,261.91 and 5,177.02 is: 7,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.29 : 11,261.91 = 5,177.02 : x
  2. Step 2: Convert to fraction form
    8,162.29/11,261.91 = 5,177.02/x
  3. Step 3: Cross multiply
    8,162.29x = 11,261.91 × 5,177.02
  4. Step 4: Simplify right side
    8,162.29x = 58,303,133.31
  5. Step 5: Solve for x
    x = 58,303,133.31/8,162.29
  6. Step 6: Final answer
    x = 7,142.99

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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.