Home / 6,681.62-9,220.65-3,697.66

Finding the Fourth Proportional to 6,681.62, 9,220.65 and 3,697.66

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Solution

The fourth proportional to 6,681.62, 9,220.65 and 3,697.66 is: 5,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.62 : 9,220.65 = 3,697.66 : x
  2. Step 2: Convert to fraction form
    6,681.62/9,220.65 = 3,697.66/x
  3. Step 3: Cross multiply
    6,681.62x = 9,220.65 × 3,697.66
  4. Step 4: Simplify right side
    6,681.62x = 34,094,828.68
  5. Step 5: Solve for x
    x = 34,094,828.68/6,681.62
  6. Step 6: Final answer
    x = 5,102.78

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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.