Home / 10,373.82-15,558.36-2,978.22

Finding the Fourth Proportional to 10,373.82, 15,558.36 and 2,978.22

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Solution

The fourth proportional to 10,373.82, 15,558.36 and 2,978.22 is: 4,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.82 : 15,558.36 = 2,978.22 : x
  2. Step 2: Convert to fraction form
    10,373.82/15,558.36 = 2,978.22/x
  3. Step 3: Cross multiply
    10,373.82x = 15,558.36 × 2,978.22
  4. Step 4: Simplify right side
    10,373.82x = 46,336,218.92
  5. Step 5: Solve for x
    x = 46,336,218.92/10,373.82
  6. Step 6: Final answer
    x = 4,466.65

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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.