Home / 7,213.38-10,820.52-3,052.62

Finding the Fourth Proportional to 7,213.38, 10,820.52 and 3,052.62

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Solution

The fourth proportional to 7,213.38, 10,820.52 and 3,052.62 is: 4,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.38 : 10,820.52 = 3,052.62 : x
  2. Step 2: Convert to fraction form
    7,213.38/10,820.52 = 3,052.62/x
  3. Step 3: Cross multiply
    7,213.38x = 10,820.52 × 3,052.62
  4. Step 4: Simplify right side
    7,213.38x = 33,030,935.76
  5. Step 5: Solve for x
    x = 33,030,935.76/7,213.38
  6. Step 6: Final answer
    x = 4,579.12

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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.