Home / 7,211.38-10,820.53-3,265.42

Finding the Fourth Proportional to 7,211.38, 10,820.53 and 3,265.42

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Solution

The fourth proportional to 7,211.38, 10,820.53 and 3,265.42 is: 4,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.38 : 10,820.53 = 3,265.42 : x
  2. Step 2: Convert to fraction form
    7,211.38/10,820.53 = 3,265.42/x
  3. Step 3: Cross multiply
    7,211.38x = 10,820.53 × 3,265.42
  4. Step 4: Simplify right side
    7,211.38x = 35,333,575.07
  5. Step 5: Solve for x
    x = 35,333,575.07/7,211.38
  6. Step 6: Final answer
    x = 4,899.70

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1.5x scale

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.