Home / 8,060.09-11,123.85-7,801.75

Finding the Fourth Proportional to 8,060.09, 11,123.85 and 7,801.75

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Solution

The fourth proportional to 8,060.09, 11,123.85 and 7,801.75 is: 10,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.09 : 11,123.85 = 7,801.75 : x
  2. Step 2: Convert to fraction form
    8,060.09/11,123.85 = 7,801.75/x
  3. Step 3: Cross multiply
    8,060.09x = 11,123.85 × 7,801.75
  4. Step 4: Simplify right side
    8,060.09x = 86,785,496.74
  5. Step 5: Solve for x
    x = 86,785,496.74/8,060.09
  6. Step 6: Final answer
    x = 10,767.31

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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.