Home / 4,343.60-6,520.20-2,399.60

Finding the Fourth Proportional to 4,343.60, 6,520.20 and 2,399.60

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Solution

The fourth proportional to 4,343.60, 6,520.20 and 2,399.60 is: 3,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.60 : 6,520.20 = 2,399.60 : x
  2. Step 2: Convert to fraction form
    4,343.60/6,520.20 = 2,399.60/x
  3. Step 3: Cross multiply
    4,343.60x = 6,520.20 × 2,399.60
  4. Step 4: Simplify right side
    4,343.60x = 15,645,871.92
  5. Step 5: Solve for x
    x = 15,645,871.92/4,343.60
  6. Step 6: Final answer
    x = 3,602.05

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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.