Home / 8,610.41-12,920.59-3,612.33

Finding the Fourth Proportional to 8,610.41, 12,920.59 and 3,612.33

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Solution

The fourth proportional to 8,610.41, 12,920.59 and 3,612.33 is: 5,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.41 : 12,920.59 = 3,612.33 : x
  2. Step 2: Convert to fraction form
    8,610.41/12,920.59 = 3,612.33/x
  3. Step 3: Cross multiply
    8,610.41x = 12,920.59 × 3,612.33
  4. Step 4: Simplify right side
    8,610.41x = 46,673,434.87
  5. Step 5: Solve for x
    x = 46,673,434.87/8,610.41
  6. Step 6: Final answer
    x = 5,420.59

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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.