Home / 5,520.56-7,618.79-3,162.25

Finding the Fourth Proportional to 5,520.56, 7,618.79 and 3,162.25

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Solution

The fourth proportional to 5,520.56, 7,618.79 and 3,162.25 is: 4,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.56 : 7,618.79 = 3,162.25 : x
  2. Step 2: Convert to fraction form
    5,520.56/7,618.79 = 3,162.25/x
  3. Step 3: Cross multiply
    5,520.56x = 7,618.79 × 3,162.25
  4. Step 4: Simplify right side
    5,520.56x = 24,092,464.77
  5. Step 5: Solve for x
    x = 24,092,464.77/5,520.56
  6. Step 6: Final answer
    x = 4,364.13

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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.