Home / 4,343.20-6,507.60-3,608.80

Finding the Fourth Proportional to 4,343.20, 6,507.60 and 3,608.80

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Solution

The fourth proportional to 4,343.20, 6,507.60 and 3,608.80 is: 5,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.20 : 6,507.60 = 3,608.80 : x
  2. Step 2: Convert to fraction form
    4,343.20/6,507.60 = 3,608.80/x
  3. Step 3: Cross multiply
    4,343.20x = 6,507.60 × 3,608.80
  4. Step 4: Simplify right side
    4,343.20x = 23,484,626.88
  5. Step 5: Solve for x
    x = 23,484,626.88/4,343.20
  6. Step 6: Final answer
    x = 5,407.22

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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.