Home / 6,838.02-10,256.76-2,221.02

Finding the Fourth Proportional to 6,838.02, 10,256.76 and 2,221.02

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Solution

The fourth proportional to 6,838.02, 10,256.76 and 2,221.02 is: 3,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.02 : 10,256.76 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    6,838.02/10,256.76 = 2,221.02/x
  3. Step 3: Cross multiply
    6,838.02x = 10,256.76 × 2,221.02
  4. Step 4: Simplify right side
    6,838.02x = 22,780,469.10
  5. Step 5: Solve for x
    x = 22,780,469.10/6,838.02
  6. Step 6: Final answer
    x = 3,331.44

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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.