Home / 4,938.48-7,402.20-2,992

Finding the Fourth Proportional to 4,938.48, 7,402.20 and 2,992

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Solution

The fourth proportional to 4,938.48, 7,402.20 and 2,992 is: 4,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.48 : 7,402.20 = 2,992 : x
  2. Step 2: Convert to fraction form
    4,938.48/7,402.20 = 2,992/x
  3. Step 3: Cross multiply
    4,938.48x = 7,402.20 × 2,992
  4. Step 4: Simplify right side
    4,938.48x = 22,147,382.40
  5. Step 5: Solve for x
    x = 22,147,382.40/4,938.48
  6. Step 6: Final answer
    x = 4,484.66

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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.