Home / 7,889.28-11,835.81-2,695.02

Finding the Fourth Proportional to 7,889.28, 11,835.81 and 2,695.02

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Solution

The fourth proportional to 7,889.28, 11,835.81 and 2,695.02 is: 4,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.28 : 11,835.81 = 2,695.02 : x
  2. Step 2: Convert to fraction form
    7,889.28/11,835.81 = 2,695.02/x
  3. Step 3: Cross multiply
    7,889.28x = 11,835.81 × 2,695.02
  4. Step 4: Simplify right side
    7,889.28x = 31,897,744.67
  5. Step 5: Solve for x
    x = 31,897,744.67/7,889.28
  6. Step 6: Final answer
    x = 4,043.18

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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.