Home / 6,989.93-9,645.88-3,846.11

Finding the Fourth Proportional to 6,989.93, 9,645.88 and 3,846.11

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Solution

The fourth proportional to 6,989.93, 9,645.88 and 3,846.11 is: 5,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.93 : 9,645.88 = 3,846.11 : x
  2. Step 2: Convert to fraction form
    6,989.93/9,645.88 = 3,846.11/x
  3. Step 3: Cross multiply
    6,989.93x = 9,645.88 × 3,846.11
  4. Step 4: Simplify right side
    6,989.93x = 37,099,115.53
  5. Step 5: Solve for x
    x = 37,099,115.53/6,989.93
  6. Step 6: Final answer
    x = 5,307.51

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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.