Home / 5,057.16-6,979.09-2,819.03

Finding the Fourth Proportional to 5,057.16, 6,979.09 and 2,819.03

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Solution

The fourth proportional to 5,057.16, 6,979.09 and 2,819.03 is: 3,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.16 : 6,979.09 = 2,819.03 : x
  2. Step 2: Convert to fraction form
    5,057.16/6,979.09 = 2,819.03/x
  3. Step 3: Cross multiply
    5,057.16x = 6,979.09 × 2,819.03
  4. Step 4: Simplify right side
    5,057.16x = 19,674,264.08
  5. Step 5: Solve for x
    x = 19,674,264.08/5,057.16
  6. Step 6: Final answer
    x = 3,890.38

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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.