Home / 5,031.76-6,940.92-3,457.12

Finding the Fourth Proportional to 5,031.76, 6,940.92 and 3,457.12

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Solution

The fourth proportional to 5,031.76, 6,940.92 and 3,457.12 is: 4,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.76 : 6,940.92 = 3,457.12 : x
  2. Step 2: Convert to fraction form
    5,031.76/6,940.92 = 3,457.12/x
  3. Step 3: Cross multiply
    5,031.76x = 6,940.92 × 3,457.12
  4. Step 4: Simplify right side
    5,031.76x = 23,995,593.35
  5. Step 5: Solve for x
    x = 23,995,593.35/5,031.76
  6. Step 6: Final answer
    x = 4,768.83

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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.