Home / 5,294.50-7,931.42-2,828.46

Finding the Fourth Proportional to 5,294.50, 7,931.42 and 2,828.46

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Solution

The fourth proportional to 5,294.50, 7,931.42 and 2,828.46 is: 4,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.50 : 7,931.42 = 2,828.46 : x
  2. Step 2: Convert to fraction form
    5,294.50/7,931.42 = 2,828.46/x
  3. Step 3: Cross multiply
    5,294.50x = 7,931.42 × 2,828.46
  4. Step 4: Simplify right side
    5,294.50x = 22,433,704.21
  5. Step 5: Solve for x
    x = 22,433,704.21/5,294.50
  6. Step 6: Final answer
    x = 4,237.17

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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.