Home / 5,557.80-8,330.34-2,631.96

Finding the Fourth Proportional to 5,557.80, 8,330.34 and 2,631.96

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Solution

The fourth proportional to 5,557.80, 8,330.34 and 2,631.96 is: 3,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.80 : 8,330.34 = 2,631.96 : x
  2. Step 2: Convert to fraction form
    5,557.80/8,330.34 = 2,631.96/x
  3. Step 3: Cross multiply
    5,557.80x = 8,330.34 × 2,631.96
  4. Step 4: Simplify right side
    5,557.80x = 21,925,121.67
  5. Step 5: Solve for x
    x = 21,925,121.67/5,557.80
  6. Step 6: Final answer
    x = 3,944.93

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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.