Home / 4,991.13-6,884.71-2,973.20

Finding the Fourth Proportional to 4,991.13, 6,884.71 and 2,973.20

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Solution

The fourth proportional to 4,991.13, 6,884.71 and 2,973.20 is: 4,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.13 : 6,884.71 = 2,973.20 : x
  2. Step 2: Convert to fraction form
    4,991.13/6,884.71 = 2,973.20/x
  3. Step 3: Cross multiply
    4,991.13x = 6,884.71 × 2,973.20
  4. Step 4: Simplify right side
    4,991.13x = 20,469,577.92
  5. Step 5: Solve for x
    x = 20,469,577.92/4,991.13
  6. Step 6: Final answer
    x = 4,101.19

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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.