Home / 4,943.33-6,821.69-2,818.72

Finding the Fourth Proportional to 4,943.33, 6,821.69 and 2,818.72

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Solution

The fourth proportional to 4,943.33, 6,821.69 and 2,818.72 is: 3,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.33 : 6,821.69 = 2,818.72 : x
  2. Step 2: Convert to fraction form
    4,943.33/6,821.69 = 2,818.72/x
  3. Step 3: Cross multiply
    4,943.33x = 6,821.69 × 2,818.72
  4. Step 4: Simplify right side
    4,943.33x = 19,228,385.83
  5. Step 5: Solve for x
    x = 19,228,385.83/4,943.33
  6. Step 6: Final answer
    x = 3,889.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.