Home / 6,821.43-10,228.70-2,658.24

Finding the Fourth Proportional to 6,821.43, 10,228.70 and 2,658.24

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Solution

The fourth proportional to 6,821.43, 10,228.70 and 2,658.24 is: 3,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.43 : 10,228.70 = 2,658.24 : x
  2. Step 2: Convert to fraction form
    6,821.43/10,228.70 = 2,658.24/x
  3. Step 3: Cross multiply
    6,821.43x = 10,228.70 × 2,658.24
  4. Step 4: Simplify right side
    6,821.43x = 27,190,326.20
  5. Step 5: Solve for x
    x = 27,190,326.20/6,821.43
  6. Step 6: Final answer
    x = 3,986.02

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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.