Home / 8,087.06-11,160.36-4,899.69

Finding the Fourth Proportional to 8,087.06, 11,160.36 and 4,899.69

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Solution

The fourth proportional to 8,087.06, 11,160.36 and 4,899.69 is: 6,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.06 : 11,160.36 = 4,899.69 : x
  2. Step 2: Convert to fraction form
    8,087.06/11,160.36 = 4,899.69/x
  3. Step 3: Cross multiply
    8,087.06x = 11,160.36 × 4,899.69
  4. Step 4: Simplify right side
    8,087.06x = 54,682,304.29
  5. Step 5: Solve for x
    x = 54,682,304.29/8,087.06
  6. Step 6: Final answer
    x = 6,761.70

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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.