Home / 5,520.23-7,618.11-3,162.83

Finding the Fourth Proportional to 5,520.23, 7,618.11 and 3,162.83

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Solution

The fourth proportional to 5,520.23, 7,618.11 and 3,162.83 is: 4,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.23 : 7,618.11 = 3,162.83 : x
  2. Step 2: Convert to fraction form
    5,520.23/7,618.11 = 3,162.83/x
  3. Step 3: Cross multiply
    5,520.23x = 7,618.11 × 3,162.83
  4. Step 4: Simplify right side
    5,520.23x = 24,094,748.76
  5. Step 5: Solve for x
    x = 24,094,748.76/5,520.23
  6. Step 6: Final answer
    x = 4,364.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.