Home / 5,030.09-6,940.78-2,791.98

Finding the Fourth Proportional to 5,030.09, 6,940.78 and 2,791.98

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Solution

The fourth proportional to 5,030.09, 6,940.78 and 2,791.98 is: 3,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.09 : 6,940.78 = 2,791.98 : x
  2. Step 2: Convert to fraction form
    5,030.09/6,940.78 = 2,791.98/x
  3. Step 3: Cross multiply
    5,030.09x = 6,940.78 × 2,791.98
  4. Step 4: Simplify right side
    5,030.09x = 19,378,494.61
  5. Step 5: Solve for x
    x = 19,378,494.61/5,030.09
  6. Step 6: Final answer
    x = 3,852.52

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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.