Home / 6,680.02-9,218.05-3,695.66

Finding the Fourth Proportional to 6,680.02, 9,218.05 and 3,695.66

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Solution

The fourth proportional to 6,680.02, 9,218.05 and 3,695.66 is: 5,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.02 : 9,218.05 = 3,695.66 : x
  2. Step 2: Convert to fraction form
    6,680.02/9,218.05 = 3,695.66/x
  3. Step 3: Cross multiply
    6,680.02x = 9,218.05 × 3,695.66
  4. Step 4: Simplify right side
    6,680.02x = 34,066,778.66
  5. Step 5: Solve for x
    x = 34,066,778.66/6,680.02
  6. Step 6: Final answer
    x = 5,099.80

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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.