Home / 8,718.90-13,083.75-3,524.82

Finding the Fourth Proportional to 8,718.90, 13,083.75 and 3,524.82

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Solution

The fourth proportional to 8,718.90, 13,083.75 and 3,524.82 is: 5,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.90 : 13,083.75 = 3,524.82 : x
  2. Step 2: Convert to fraction form
    8,718.90/13,083.75 = 3,524.82/x
  3. Step 3: Cross multiply
    8,718.90x = 13,083.75 × 3,524.82
  4. Step 4: Simplify right side
    8,718.90x = 46,117,863.68
  5. Step 5: Solve for x
    x = 46,117,863.68/8,718.90
  6. Step 6: Final answer
    x = 5,289.41

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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.