Home / 7,020.11-10,522.60-3,729.89

Finding the Fourth Proportional to 7,020.11, 10,522.60 and 3,729.89

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Solution

The fourth proportional to 7,020.11, 10,522.60 and 3,729.89 is: 5,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.11 : 10,522.60 = 3,729.89 : x
  2. Step 2: Convert to fraction form
    7,020.11/10,522.60 = 3,729.89/x
  3. Step 3: Cross multiply
    7,020.11x = 10,522.60 × 3,729.89
  4. Step 4: Simplify right side
    7,020.11x = 39,248,140.51
  5. Step 5: Solve for x
    x = 39,248,140.51/7,020.11
  6. Step 6: Final answer
    x = 5,590.82

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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.