Home / 7,207.50-10,811.34-2,590.50

Finding the Fourth Proportional to 7,207.50, 10,811.34 and 2,590.50

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Solution

The fourth proportional to 7,207.50, 10,811.34 and 2,590.50 is: 3,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.50 : 10,811.34 = 2,590.50 : x
  2. Step 2: Convert to fraction form
    7,207.50/10,811.34 = 2,590.50/x
  3. Step 3: Cross multiply
    7,207.50x = 10,811.34 × 2,590.50
  4. Step 4: Simplify right side
    7,207.50x = 28,006,776.27
  5. Step 5: Solve for x
    x = 28,006,776.27/7,207.50
  6. Step 6: Final answer
    x = 3,885.78

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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.