Home / 6,680.74-10,022.81-3,909.74

Finding the Fourth Proportional to 6,680.74, 10,022.81 and 3,909.74

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Solution

The fourth proportional to 6,680.74, 10,022.81 and 3,909.74 is: 5,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.74 : 10,022.81 = 3,909.74 : x
  2. Step 2: Convert to fraction form
    6,680.74/10,022.81 = 3,909.74/x
  3. Step 3: Cross multiply
    6,680.74x = 10,022.81 × 3,909.74
  4. Step 4: Simplify right side
    6,680.74x = 39,186,531.06
  5. Step 5: Solve for x
    x = 39,186,531.06/6,680.74
  6. Step 6: Final answer
    x = 5,865.60

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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.