Home / 7,926.71-11,886.62-4,228.11

Finding the Fourth Proportional to 7,926.71, 11,886.62 and 4,228.11

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Solution

The fourth proportional to 7,926.71, 11,886.62 and 4,228.11 is: 6,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.71 : 11,886.62 = 4,228.11 : x
  2. Step 2: Convert to fraction form
    7,926.71/11,886.62 = 4,228.11/x
  3. Step 3: Cross multiply
    7,926.71x = 11,886.62 × 4,228.11
  4. Step 4: Simplify right side
    7,926.71x = 50,257,915.75
  5. Step 5: Solve for x
    x = 50,257,915.75/7,926.71
  6. Step 6: Final answer
    x = 6,340.33

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1.5x scale

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.