Home / 5,313.64-7,971.42-2,712.04

Finding the Fourth Proportional to 5,313.64, 7,971.42 and 2,712.04

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Solution

The fourth proportional to 5,313.64, 7,971.42 and 2,712.04 is: 4,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.64 : 7,971.42 = 2,712.04 : x
  2. Step 2: Convert to fraction form
    5,313.64/7,971.42 = 2,712.04/x
  3. Step 3: Cross multiply
    5,313.64x = 7,971.42 × 2,712.04
  4. Step 4: Simplify right side
    5,313.64x = 21,618,809.90
  5. Step 5: Solve for x
    x = 21,618,809.90/5,313.64
  6. Step 6: Final answer
    x = 4,068.55

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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.