Home / 6,282.20-9,423.74-2,122.20

Finding the Fourth Proportional to 6,282.20, 9,423.74 and 2,122.20

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Solution

The fourth proportional to 6,282.20, 9,423.74 and 2,122.20 is: 3,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.20 : 9,423.74 = 2,122.20 : x
  2. Step 2: Convert to fraction form
    6,282.20/9,423.74 = 2,122.20/x
  3. Step 3: Cross multiply
    6,282.20x = 9,423.74 × 2,122.20
  4. Step 4: Simplify right side
    6,282.20x = 19,999,061.03
  5. Step 5: Solve for x
    x = 19,999,061.03/6,282.20
  6. Step 6: Final answer
    x = 3,183.45

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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.