Home / 7,814.28-11,721.27-2,267.40

Finding the Fourth Proportional to 7,814.28, 11,721.27 and 2,267.40

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Solution

The fourth proportional to 7,814.28, 11,721.27 and 2,267.40 is: 3,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.28 : 11,721.27 = 2,267.40 : x
  2. Step 2: Convert to fraction form
    7,814.28/11,721.27 = 2,267.40/x
  3. Step 3: Cross multiply
    7,814.28x = 11,721.27 × 2,267.40
  4. Step 4: Simplify right side
    7,814.28x = 26,576,807.60
  5. Step 5: Solve for x
    x = 26,576,807.60/7,814.28
  6. Step 6: Final answer
    x = 3,401.06

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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.