Home / 5,313.79-7,961.17-2,971.07

Finding the Fourth Proportional to 5,313.79, 7,961.17 and 2,971.07

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Solution

The fourth proportional to 5,313.79, 7,961.17 and 2,971.07 is: 4,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.79 : 7,961.17 = 2,971.07 : x
  2. Step 2: Convert to fraction form
    5,313.79/7,961.17 = 2,971.07/x
  3. Step 3: Cross multiply
    5,313.79x = 7,961.17 × 2,971.07
  4. Step 4: Simplify right side
    5,313.79x = 23,653,193.35
  5. Step 5: Solve for x
    x = 23,653,193.35/5,313.79
  6. Step 6: Final answer
    x = 4,451.28

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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.