Home / 4,991.04-6,887.56-2,722.36

Finding the Fourth Proportional to 4,991.04, 6,887.56 and 2,722.36

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Solution

The fourth proportional to 4,991.04, 6,887.56 and 2,722.36 is: 3,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.04 : 6,887.56 = 2,722.36 : x
  2. Step 2: Convert to fraction form
    4,991.04/6,887.56 = 2,722.36/x
  3. Step 3: Cross multiply
    4,991.04x = 6,887.56 × 2,722.36
  4. Step 4: Simplify right side
    4,991.04x = 18,750,417.84
  5. Step 5: Solve for x
    x = 18,750,417.84/4,991.04
  6. Step 6: Final answer
    x = 3,756.82

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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.