Home / 9,106.45-13,669.39-3,915.97

Finding the Fourth Proportional to 9,106.45, 13,669.39 and 3,915.97

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Solution

The fourth proportional to 9,106.45, 13,669.39 and 3,915.97 is: 5,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.45 : 13,669.39 = 3,915.97 : x
  2. Step 2: Convert to fraction form
    9,106.45/13,669.39 = 3,915.97/x
  3. Step 3: Cross multiply
    9,106.45x = 13,669.39 × 3,915.97
  4. Step 4: Simplify right side
    9,106.45x = 53,528,921.16
  5. Step 5: Solve for x
    x = 53,528,921.16/9,106.45
  6. Step 6: Final answer
    x = 5,878.13

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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.