Home / 5,029.09-6,940.04-2,790.95

Finding the Fourth Proportional to 5,029.09, 6,940.04 and 2,790.95

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Solution

The fourth proportional to 5,029.09, 6,940.04 and 2,790.95 is: 3,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.09 : 6,940.04 = 2,790.95 : x
  2. Step 2: Convert to fraction form
    5,029.09/6,940.04 = 2,790.95/x
  3. Step 3: Cross multiply
    5,029.09x = 6,940.04 × 2,790.95
  4. Step 4: Simplify right side
    5,029.09x = 19,369,287.29
  5. Step 5: Solve for x
    x = 19,369,287.29/5,029.09
  6. Step 6: Final answer
    x = 3,851.45

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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.