Home / 8,726.05-13,083.85-5,918.33

Finding the Fourth Proportional to 8,726.05, 13,083.85 and 5,918.33

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Solution

The fourth proportional to 8,726.05, 13,083.85 and 5,918.33 is: 8,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.05 : 13,083.85 = 5,918.33 : x
  2. Step 2: Convert to fraction form
    8,726.05/13,083.85 = 5,918.33/x
  3. Step 3: Cross multiply
    8,726.05x = 13,083.85 × 5,918.33
  4. Step 4: Simplify right side
    8,726.05x = 77,434,548.79
  5. Step 5: Solve for x
    x = 77,434,548.79/8,726.05
  6. Step 6: Final answer
    x = 8,873.96

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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.