Home / 6,978.41-9,630.10-3,834.53

Finding the Fourth Proportional to 6,978.41, 9,630.10 and 3,834.53

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Solution

The fourth proportional to 6,978.41, 9,630.10 and 3,834.53 is: 5,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.41 : 9,630.10 = 3,834.53 : x
  2. Step 2: Convert to fraction form
    6,978.41/9,630.10 = 3,834.53/x
  3. Step 3: Cross multiply
    6,978.41x = 9,630.10 × 3,834.53
  4. Step 4: Simplify right side
    6,978.41x = 36,926,936.22
  5. Step 5: Solve for x
    x = 36,926,936.22/6,978.41
  6. Step 6: Final answer
    x = 5,291.60

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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.