Home / 7,020.03-10,530.03-1,825.90

Finding the Fourth Proportional to 7,020.03, 10,530.03 and 1,825.90

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Solution

The fourth proportional to 7,020.03, 10,530.03 and 1,825.90 is: 2,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.03 : 10,530.03 = 1,825.90 : x
  2. Step 2: Convert to fraction form
    7,020.03/10,530.03 = 1,825.90/x
  3. Step 3: Cross multiply
    7,020.03x = 10,530.03 × 1,825.90
  4. Step 4: Simplify right side
    7,020.03x = 19,226,781.78
  5. Step 5: Solve for x
    x = 19,226,781.78/7,020.03
  6. Step 6: Final answer
    x = 2,738.85

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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.