Home / 6,280.74-9,422.52-2,120.60

Finding the Fourth Proportional to 6,280.74, 9,422.52 and 2,120.60

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Solution

The fourth proportional to 6,280.74, 9,422.52 and 2,120.60 is: 3,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.74 : 9,422.52 = 2,120.60 : x
  2. Step 2: Convert to fraction form
    6,280.74/9,422.52 = 2,120.60/x
  3. Step 3: Cross multiply
    6,280.74x = 9,422.52 × 2,120.60
  4. Step 4: Simplify right side
    6,280.74x = 19,981,395.91
  5. Step 5: Solve for x
    x = 19,981,395.91/6,280.74
  6. Step 6: Final answer
    x = 3,181.38

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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.