Home / 8,259.43-12,391.04-3,580.22

Finding the Fourth Proportional to 8,259.43, 12,391.04 and 3,580.22

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Solution

The fourth proportional to 8,259.43, 12,391.04 and 3,580.22 is: 5,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.43 : 12,391.04 = 3,580.22 : x
  2. Step 2: Convert to fraction form
    8,259.43/12,391.04 = 3,580.22/x
  3. Step 3: Cross multiply
    8,259.43x = 12,391.04 × 3,580.22
  4. Step 4: Simplify right side
    8,259.43x = 44,362,649.23
  5. Step 5: Solve for x
    x = 44,362,649.23/8,259.43
  6. Step 6: Final answer
    x = 5,371.15

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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.