Home / 8,064.80-11,127.36-5,081.12

Finding the Fourth Proportional to 8,064.80, 11,127.36 and 5,081.12

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Solution

The fourth proportional to 8,064.80, 11,127.36 and 5,081.12 is: 7,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.80 : 11,127.36 = 5,081.12 : x
  2. Step 2: Convert to fraction form
    8,064.80/11,127.36 = 5,081.12/x
  3. Step 3: Cross multiply
    8,064.80x = 11,127.36 × 5,081.12
  4. Step 4: Simplify right side
    8,064.80x = 56,539,451.44
  5. Step 5: Solve for x
    x = 56,539,451.44/8,064.80
  6. Step 6: Final answer
    x = 7,010.65

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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.