Home / 4,991.12-6,887.78-2,752.96

Finding the Fourth Proportional to 4,991.12, 6,887.78 and 2,752.96

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Solution

The fourth proportional to 4,991.12, 6,887.78 and 2,752.96 is: 3,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.12 : 6,887.78 = 2,752.96 : x
  2. Step 2: Convert to fraction form
    4,991.12/6,887.78 = 2,752.96/x
  3. Step 3: Cross multiply
    4,991.12x = 6,887.78 × 2,752.96
  4. Step 4: Simplify right side
    4,991.12x = 18,961,782.83
  5. Step 5: Solve for x
    x = 18,961,782.83/4,991.12
  6. Step 6: Final answer
    x = 3,799.10

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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.