Home / 4,947.87-6,825.58-2,957.90

Finding the Fourth Proportional to 4,947.87, 6,825.58 and 2,957.90

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Solution

The fourth proportional to 4,947.87, 6,825.58 and 2,957.90 is: 4,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.87 : 6,825.58 = 2,957.90 : x
  2. Step 2: Convert to fraction form
    4,947.87/6,825.58 = 2,957.90/x
  3. Step 3: Cross multiply
    4,947.87x = 6,825.58 × 2,957.90
  4. Step 4: Simplify right side
    4,947.87x = 20,189,383.08
  5. Step 5: Solve for x
    x = 20,189,383.08/4,947.87
  6. Step 6: Final answer
    x = 4,080.42

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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.