Home / 5,057.33-6,979.15-2,819.35

Finding the Fourth Proportional to 5,057.33, 6,979.15 and 2,819.35

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Solution

The fourth proportional to 5,057.33, 6,979.15 and 2,819.35 is: 3,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.33 : 6,979.15 = 2,819.35 : x
  2. Step 2: Convert to fraction form
    5,057.33/6,979.15 = 2,819.35/x
  3. Step 3: Cross multiply
    5,057.33x = 6,979.15 × 2,819.35
  4. Step 4: Simplify right side
    5,057.33x = 19,676,642.06
  5. Step 5: Solve for x
    x = 19,676,642.06/5,057.33
  6. Step 6: Final answer
    x = 3,890.72

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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.