Home / 5,031.78-6,943.80-2,793.57

Finding the Fourth Proportional to 5,031.78, 6,943.80 and 2,793.57

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Solution

The fourth proportional to 5,031.78, 6,943.80 and 2,793.57 is: 3,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.78 : 6,943.80 = 2,793.57 : x
  2. Step 2: Convert to fraction form
    5,031.78/6,943.80 = 2,793.57/x
  3. Step 3: Cross multiply
    5,031.78x = 6,943.80 × 2,793.57
  4. Step 4: Simplify right side
    5,031.78x = 19,397,991.37
  5. Step 5: Solve for x
    x = 19,397,991.37/5,031.78
  6. Step 6: Final answer
    x = 3,855.10

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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.