Home / 4,879.36-6,731.40-3,758.32

Finding the Fourth Proportional to 4,879.36, 6,731.40 and 3,758.32

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Solution

The fourth proportional to 4,879.36, 6,731.40 and 3,758.32 is: 5,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.36 : 6,731.40 = 3,758.32 : x
  2. Step 2: Convert to fraction form
    4,879.36/6,731.40 = 3,758.32/x
  3. Step 3: Cross multiply
    4,879.36x = 6,731.40 × 3,758.32
  4. Step 4: Simplify right side
    4,879.36x = 25,298,755.25
  5. Step 5: Solve for x
    x = 25,298,755.25/4,879.36
  6. Step 6: Final answer
    x = 5,184.85

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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.