Home / 4,809.92-6,634.40-2,947.84

Finding the Fourth Proportional to 4,809.92, 6,634.40 and 2,947.84

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Solution

The fourth proportional to 4,809.92, 6,634.40 and 2,947.84 is: 4,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.92 : 6,634.40 = 2,947.84 : x
  2. Step 2: Convert to fraction form
    4,809.92/6,634.40 = 2,947.84/x
  3. Step 3: Cross multiply
    4,809.92x = 6,634.40 × 2,947.84
  4. Step 4: Simplify right side
    4,809.92x = 19,557,149.70
  5. Step 5: Solve for x
    x = 19,557,149.70/4,809.92
  6. Step 6: Final answer
    x = 4,066.00

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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.