Home / 5,029.08-6,939.96-2,790.90

Finding the Fourth Proportional to 5,029.08, 6,939.96 and 2,790.90

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Solution

The fourth proportional to 5,029.08, 6,939.96 and 2,790.90 is: 3,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.08 : 6,939.96 = 2,790.90 : x
  2. Step 2: Convert to fraction form
    5,029.08/6,939.96 = 2,790.90/x
  3. Step 3: Cross multiply
    5,029.08x = 6,939.96 × 2,790.90
  4. Step 4: Simplify right side
    5,029.08x = 19,368,734.36
  5. Step 5: Solve for x
    x = 19,368,734.36/5,029.08
  6. Step 6: Final answer
    x = 3,851.35

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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.