Home / 8,091.81-11,160.31-5,296.77

Finding the Fourth Proportional to 8,091.81, 11,160.31 and 5,296.77

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Solution

The fourth proportional to 8,091.81, 11,160.31 and 5,296.77 is: 7,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.81 : 11,160.31 = 5,296.77 : x
  2. Step 2: Convert to fraction form
    8,091.81/11,160.31 = 5,296.77/x
  3. Step 3: Cross multiply
    8,091.81x = 11,160.31 × 5,296.77
  4. Step 4: Simplify right side
    8,091.81x = 59,113,633.74
  5. Step 5: Solve for x
    x = 59,113,633.74/8,091.81
  6. Step 6: Final answer
    x = 7,305.36

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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.