Home / 6,660.36-9,991.08-2,767.32

Finding the Fourth Proportional to 6,660.36, 9,991.08 and 2,767.32

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Solution

The fourth proportional to 6,660.36, 9,991.08 and 2,767.32 is: 4,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.36 : 9,991.08 = 2,767.32 : x
  2. Step 2: Convert to fraction form
    6,660.36/9,991.08 = 2,767.32/x
  3. Step 3: Cross multiply
    6,660.36x = 9,991.08 × 2,767.32
  4. Step 4: Simplify right side
    6,660.36x = 27,648,515.51
  5. Step 5: Solve for x
    x = 27,648,515.51/6,660.36
  6. Step 6: Final answer
    x = 4,151.20

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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.