Home / 4,943.30-6,821.69-2,705.15

Finding the Fourth Proportional to 4,943.30, 6,821.69 and 2,705.15

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Solution

The fourth proportional to 4,943.30, 6,821.69 and 2,705.15 is: 3,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.30 : 6,821.69 = 2,705.15 : x
  2. Step 2: Convert to fraction form
    4,943.30/6,821.69 = 2,705.15/x
  3. Step 3: Cross multiply
    4,943.30x = 6,821.69 × 2,705.15
  4. Step 4: Simplify right side
    4,943.30x = 18,453,694.70
  5. Step 5: Solve for x
    x = 18,453,694.70/4,943.30
  6. Step 6: Final answer
    x = 3,733.07

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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.