Home / 4,920.16-6,789.05-2,823.88

Finding the Fourth Proportional to 4,920.16, 6,789.05 and 2,823.88

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Solution

The fourth proportional to 4,920.16, 6,789.05 and 2,823.88 is: 3,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.16 : 6,789.05 = 2,823.88 : x
  2. Step 2: Convert to fraction form
    4,920.16/6,789.05 = 2,823.88/x
  3. Step 3: Cross multiply
    4,920.16x = 6,789.05 × 2,823.88
  4. Step 4: Simplify right side
    4,920.16x = 19,171,462.51
  5. Step 5: Solve for x
    x = 19,171,462.51/4,920.16
  6. Step 6: Final answer
    x = 3,896.51

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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.