Home / 4,918.72-6,794.48-3,930.92

Finding the Fourth Proportional to 4,918.72, 6,794.48 and 3,930.92

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Solution

The fourth proportional to 4,918.72, 6,794.48 and 3,930.92 is: 5,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.72 : 6,794.48 = 3,930.92 : x
  2. Step 2: Convert to fraction form
    4,918.72/6,794.48 = 3,930.92/x
  3. Step 3: Cross multiply
    4,918.72x = 6,794.48 × 3,930.92
  4. Step 4: Simplify right side
    4,918.72x = 26,708,557.32
  5. Step 5: Solve for x
    x = 26,708,557.32/4,918.72
  6. Step 6: Final answer
    x = 5,429.98

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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.