Home / 7,927.22-10,939.72-4,342.50

Finding the Fourth Proportional to 7,927.22, 10,939.72 and 4,342.50

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Solution

The fourth proportional to 7,927.22, 10,939.72 and 4,342.50 is: 5,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.22 : 10,939.72 = 4,342.50 : x
  2. Step 2: Convert to fraction form
    7,927.22/10,939.72 = 4,342.50/x
  3. Step 3: Cross multiply
    7,927.22x = 10,939.72 × 4,342.50
  4. Step 4: Simplify right side
    7,927.22x = 47,505,734.10
  5. Step 5: Solve for x
    x = 47,505,734.10/7,927.22
  6. Step 6: Final answer
    x = 5,992.74

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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.