Home / 9,039.60-13,561.20-3,200.34

Finding the Fourth Proportional to 9,039.60, 13,561.20 and 3,200.34

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Solution

The fourth proportional to 9,039.60, 13,561.20 and 3,200.34 is: 4,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.60 : 13,561.20 = 3,200.34 : x
  2. Step 2: Convert to fraction form
    9,039.60/13,561.20 = 3,200.34/x
  3. Step 3: Cross multiply
    9,039.60x = 13,561.20 × 3,200.34
  4. Step 4: Simplify right side
    9,039.60x = 43,400,450.81
  5. Step 5: Solve for x
    x = 43,400,450.81/9,039.60
  6. Step 6: Final answer
    x = 4,801.15

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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.