Home / 4,947.74-6,827.89-2,679.11

Finding the Fourth Proportional to 4,947.74, 6,827.89 and 2,679.11

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Solution

The fourth proportional to 4,947.74, 6,827.89 and 2,679.11 is: 3,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.74 : 6,827.89 = 2,679.11 : x
  2. Step 2: Convert to fraction form
    4,947.74/6,827.89 = 2,679.11/x
  3. Step 3: Cross multiply
    4,947.74x = 6,827.89 × 2,679.11
  4. Step 4: Simplify right side
    4,947.74x = 18,292,634.24
  5. Step 5: Solve for x
    x = 18,292,634.24/4,947.74
  6. Step 6: Final answer
    x = 3,697.17

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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.