Home / 6,821.51-10,236.19-2,872.46

Finding the Fourth Proportional to 6,821.51, 10,236.19 and 2,872.46

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Solution

The fourth proportional to 6,821.51, 10,236.19 and 2,872.46 is: 4,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.51 : 10,236.19 = 2,872.46 : x
  2. Step 2: Convert to fraction form
    6,821.51/10,236.19 = 2,872.46/x
  3. Step 3: Cross multiply
    6,821.51x = 10,236.19 × 2,872.46
  4. Step 4: Simplify right side
    6,821.51x = 29,402,987.97
  5. Step 5: Solve for x
    x = 29,402,987.97/6,821.51
  6. Step 6: Final answer
    x = 4,310.34

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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.