Home / 7,926.69-11,886.29-2,927.80

Finding the Fourth Proportional to 7,926.69, 11,886.29 and 2,927.80

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Solution

The fourth proportional to 7,926.69, 11,886.29 and 2,927.80 is: 4,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.69 : 11,886.29 = 2,927.80 : x
  2. Step 2: Convert to fraction form
    7,926.69/11,886.29 = 2,927.80/x
  3. Step 3: Cross multiply
    7,926.69x = 11,886.29 × 2,927.80
  4. Step 4: Simplify right side
    7,926.69x = 34,800,679.86
  5. Step 5: Solve for x
    x = 34,800,679.86/7,926.69
  6. Step 6: Final answer
    x = 4,390.32

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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.