Home / 4,991.32-7,486.19-2,991.13

Finding the Fourth Proportional to 4,991.32, 7,486.19 and 2,991.13

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Solution

The fourth proportional to 4,991.32, 7,486.19 and 2,991.13 is: 4,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.32 : 7,486.19 = 2,991.13 : x
  2. Step 2: Convert to fraction form
    4,991.32/7,486.19 = 2,991.13/x
  3. Step 3: Cross multiply
    4,991.32x = 7,486.19 × 2,991.13
  4. Step 4: Simplify right side
    4,991.32x = 22,392,145.04
  5. Step 5: Solve for x
    x = 22,392,145.04/4,991.32
  6. Step 6: Final answer
    x = 4,486.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.