Home / 4,200.45-6,302.70-2,965.20

Finding the Fourth Proportional to 4,200.45, 6,302.70 and 2,965.20

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Solution

The fourth proportional to 4,200.45, 6,302.70 and 2,965.20 is: 4,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.45 : 6,302.70 = 2,965.20 : x
  2. Step 2: Convert to fraction form
    4,200.45/6,302.70 = 2,965.20/x
  3. Step 3: Cross multiply
    4,200.45x = 6,302.70 × 2,965.20
  4. Step 4: Simplify right side
    4,200.45x = 18,688,766.04
  5. Step 5: Solve for x
    x = 18,688,766.04/4,200.45
  6. Step 6: Final answer
    x = 4,449.23

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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.