Home / 5,001.21-7,503.98-2,806.65

Finding the Fourth Proportional to 5,001.21, 7,503.98 and 2,806.65

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Solution

The fourth proportional to 5,001.21, 7,503.98 and 2,806.65 is: 4,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.21 : 7,503.98 = 2,806.65 : x
  2. Step 2: Convert to fraction form
    5,001.21/7,503.98 = 2,806.65/x
  3. Step 3: Cross multiply
    5,001.21x = 7,503.98 × 2,806.65
  4. Step 4: Simplify right side
    5,001.21x = 21,061,031.43
  5. Step 5: Solve for x
    x = 21,061,031.43/5,001.21
  6. Step 6: Final answer
    x = 4,211.19

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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.