Home / 4,174.20-6,263.10-2,122.20

Finding the Fourth Proportional to 4,174.20, 6,263.10 and 2,122.20

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Solution

The fourth proportional to 4,174.20, 6,263.10 and 2,122.20 is: 3,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.20 : 6,263.10 = 2,122.20 : x
  2. Step 2: Convert to fraction form
    4,174.20/6,263.10 = 2,122.20/x
  3. Step 3: Cross multiply
    4,174.20x = 6,263.10 × 2,122.20
  4. Step 4: Simplify right side
    4,174.20x = 13,291,550.82
  5. Step 5: Solve for x
    x = 13,291,550.82/4,174.20
  6. Step 6: Final answer
    x = 3,184.22

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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.