Home / 5,057.51-6,979.34-2,819.41

Finding the Fourth Proportional to 5,057.51, 6,979.34 and 2,819.41

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Solution

The fourth proportional to 5,057.51, 6,979.34 and 2,819.41 is: 3,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.51 : 6,979.34 = 2,819.41 : x
  2. Step 2: Convert to fraction form
    5,057.51/6,979.34 = 2,819.41/x
  3. Step 3: Cross multiply
    5,057.51x = 6,979.34 × 2,819.41
  4. Step 4: Simplify right side
    5,057.51x = 19,677,602.66
  5. Step 5: Solve for x
    x = 19,677,602.66/5,057.51
  6. Step 6: Final answer
    x = 3,890.77

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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.