Home / 5,031.85-6,943.62-2,793.72

Finding the Fourth Proportional to 5,031.85, 6,943.62 and 2,793.72

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Solution

The fourth proportional to 5,031.85, 6,943.62 and 2,793.72 is: 3,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.85 : 6,943.62 = 2,793.72 : x
  2. Step 2: Convert to fraction form
    5,031.85/6,943.62 = 2,793.72/x
  3. Step 3: Cross multiply
    5,031.85x = 6,943.62 × 2,793.72
  4. Step 4: Simplify right side
    5,031.85x = 19,398,530.07
  5. Step 5: Solve for x
    x = 19,398,530.07/5,031.85
  6. Step 6: Final answer
    x = 3,855.15

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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.