Home / 8,677.36-13,014.09-3,992.87

Finding the Fourth Proportional to 8,677.36, 13,014.09 and 3,992.87

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Solution

The fourth proportional to 8,677.36, 13,014.09 and 3,992.87 is: 5,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.36 : 13,014.09 = 3,992.87 : x
  2. Step 2: Convert to fraction form
    8,677.36/13,014.09 = 3,992.87/x
  3. Step 3: Cross multiply
    8,677.36x = 13,014.09 × 3,992.87
  4. Step 4: Simplify right side
    8,677.36x = 51,963,569.54
  5. Step 5: Solve for x
    x = 51,963,569.54/8,677.36
  6. Step 6: Final answer
    x = 5,988.41

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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.