Home / 6,818.76-10,225.32-2,137.20

Finding the Fourth Proportional to 6,818.76, 10,225.32 and 2,137.20

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Solution

The fourth proportional to 6,818.76, 10,225.32 and 2,137.20 is: 3,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.76 : 10,225.32 = 2,137.20 : x
  2. Step 2: Convert to fraction form
    6,818.76/10,225.32 = 2,137.20/x
  3. Step 3: Cross multiply
    6,818.76x = 10,225.32 × 2,137.20
  4. Step 4: Simplify right side
    6,818.76x = 21,853,553.90
  5. Step 5: Solve for x
    x = 21,853,553.90/6,818.76
  6. Step 6: Final answer
    x = 3,204.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.