Home / 8,727.51-13,091.37-2,487.69

Finding the Fourth Proportional to 8,727.51, 13,091.37 and 2,487.69

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Solution

The fourth proportional to 8,727.51, 13,091.37 and 2,487.69 is: 3,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.51 : 13,091.37 = 2,487.69 : x
  2. Step 2: Convert to fraction form
    8,727.51/13,091.37 = 2,487.69/x
  3. Step 3: Cross multiply
    8,727.51x = 13,091.37 × 2,487.69
  4. Step 4: Simplify right side
    8,727.51x = 32,567,270.24
  5. Step 5: Solve for x
    x = 32,567,270.24/8,727.51
  6. Step 6: Final answer
    x = 3,731.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.