Home / 5,029.07-6,939.59-2,790.88

Finding the Fourth Proportional to 5,029.07, 6,939.59 and 2,790.88

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Solution

The fourth proportional to 5,029.07, 6,939.59 and 2,790.88 is: 3,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.07 : 6,939.59 = 2,790.88 : x
  2. Step 2: Convert to fraction form
    5,029.07/6,939.59 = 2,790.88/x
  3. Step 3: Cross multiply
    5,029.07x = 6,939.59 × 2,790.88
  4. Step 4: Simplify right side
    5,029.07x = 19,367,531.64
  5. Step 5: Solve for x
    x = 19,367,531.64/5,029.07
  6. Step 6: Final answer
    x = 3,851.12

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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.