Home / 5,029.07-6,939.82-2,790.82

Finding the Fourth Proportional to 5,029.07, 6,939.82 and 2,790.82

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Solution

The fourth proportional to 5,029.07, 6,939.82 and 2,790.82 is: 3,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.07 : 6,939.82 = 2,790.82 : x
  2. Step 2: Convert to fraction form
    5,029.07/6,939.82 = 2,790.82/x
  3. Step 3: Cross multiply
    5,029.07x = 6,939.82 × 2,790.82
  4. Step 4: Simplify right side
    5,029.07x = 19,367,764.13
  5. Step 5: Solve for x
    x = 19,367,764.13/5,029.07
  6. Step 6: Final answer
    x = 3,851.16

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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.