Home / 7,620.05-11,432.81-5,536.53

Finding the Fourth Proportional to 7,620.05, 11,432.81 and 5,536.53

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Solution

The fourth proportional to 7,620.05, 11,432.81 and 5,536.53 is: 8,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.05 : 11,432.81 = 5,536.53 : x
  2. Step 2: Convert to fraction form
    7,620.05/11,432.81 = 5,536.53/x
  3. Step 3: Cross multiply
    7,620.05x = 11,432.81 × 5,536.53
  4. Step 4: Simplify right side
    7,620.05x = 63,298,095.55
  5. Step 5: Solve for x
    x = 63,298,095.55/7,620.05
  6. Step 6: Final answer
    x = 8,306.78

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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.