Home / 5,029.44-6,940.16-2,790.80

Finding the Fourth Proportional to 5,029.44, 6,940.16 and 2,790.80

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Solution

The fourth proportional to 5,029.44, 6,940.16 and 2,790.80 is: 3,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.44 : 6,940.16 = 2,790.80 : x
  2. Step 2: Convert to fraction form
    5,029.44/6,940.16 = 2,790.80/x
  3. Step 3: Cross multiply
    5,029.44x = 6,940.16 × 2,790.80
  4. Step 4: Simplify right side
    5,029.44x = 19,368,598.53
  5. Step 5: Solve for x
    x = 19,368,598.53/5,029.44
  6. Step 6: Final answer
    x = 3,851.04

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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.