Home / 5,029.64-6,940.77-2,791.40

Finding the Fourth Proportional to 5,029.64, 6,940.77 and 2,791.40

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Solution

The fourth proportional to 5,029.64, 6,940.77 and 2,791.40 is: 3,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.64 : 6,940.77 = 2,791.40 : x
  2. Step 2: Convert to fraction form
    5,029.64/6,940.77 = 2,791.40/x
  3. Step 3: Cross multiply
    5,029.64x = 6,940.77 × 2,791.40
  4. Step 4: Simplify right side
    5,029.64x = 19,374,465.38
  5. Step 5: Solve for x
    x = 19,374,465.38/5,029.64
  6. Step 6: Final answer
    x = 3,852.06

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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.