Home / 7,904.85-11,857.32-2,061.51

Finding the Fourth Proportional to 7,904.85, 11,857.32 and 2,061.51

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Solution

The fourth proportional to 7,904.85, 11,857.32 and 2,061.51 is: 3,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.85 : 11,857.32 = 2,061.51 : x
  2. Step 2: Convert to fraction form
    7,904.85/11,857.32 = 2,061.51/x
  3. Step 3: Cross multiply
    7,904.85x = 11,857.32 × 2,061.51
  4. Step 4: Simplify right side
    7,904.85x = 24,443,983.75
  5. Step 5: Solve for x
    x = 24,443,983.75/7,904.85
  6. Step 6: Final answer
    x = 3,092.28

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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.