Home / 4,299.78-5,931.38-2,764.13

Finding the Fourth Proportional to 4,299.78, 5,931.38 and 2,764.13

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Solution

The fourth proportional to 4,299.78, 5,931.38 and 2,764.13 is: 3,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.78 : 5,931.38 = 2,764.13 : x
  2. Step 2: Convert to fraction form
    4,299.78/5,931.38 = 2,764.13/x
  3. Step 3: Cross multiply
    4,299.78x = 5,931.38 × 2,764.13
  4. Step 4: Simplify right side
    4,299.78x = 16,395,067.10
  5. Step 5: Solve for x
    x = 16,395,067.10/4,299.78
  6. Step 6: Final answer
    x = 3,813.00

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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.