Home / 5,031.06-6,940.53-3,141.42

Finding the Fourth Proportional to 5,031.06, 6,940.53 and 3,141.42

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Solution

The fourth proportional to 5,031.06, 6,940.53 and 3,141.42 is: 4,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.06 : 6,940.53 = 3,141.42 : x
  2. Step 2: Convert to fraction form
    5,031.06/6,940.53 = 3,141.42/x
  3. Step 3: Cross multiply
    5,031.06x = 6,940.53 × 3,141.42
  4. Step 4: Simplify right side
    5,031.06x = 21,803,119.75
  5. Step 5: Solve for x
    x = 21,803,119.75/5,031.06
  6. Step 6: Final answer
    x = 4,333.70

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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.