Home / 8,220.74-12,334.36-3,600.50

Finding the Fourth Proportional to 8,220.74, 12,334.36 and 3,600.50

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Solution

The fourth proportional to 8,220.74, 12,334.36 and 3,600.50 is: 5,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.74 : 12,334.36 = 3,600.50 : x
  2. Step 2: Convert to fraction form
    8,220.74/12,334.36 = 3,600.50/x
  3. Step 3: Cross multiply
    8,220.74x = 12,334.36 × 3,600.50
  4. Step 4: Simplify right side
    8,220.74x = 44,409,863.18
  5. Step 5: Solve for x
    x = 44,409,863.18/8,220.74
  6. Step 6: Final answer
    x = 5,402.17

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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.