Home / 4,207.20-6,303.60-2,972.22

Finding the Fourth Proportional to 4,207.20, 6,303.60 and 2,972.22

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Solution

The fourth proportional to 4,207.20, 6,303.60 and 2,972.22 is: 4,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.20 : 6,303.60 = 2,972.22 : x
  2. Step 2: Convert to fraction form
    4,207.20/6,303.60 = 2,972.22/x
  3. Step 3: Cross multiply
    4,207.20x = 6,303.60 × 2,972.22
  4. Step 4: Simplify right side
    4,207.20x = 18,735,685.99
  5. Step 5: Solve for x
    x = 18,735,685.99/4,207.20
  6. Step 6: Final answer
    x = 4,453.24

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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.