Home / 5,437.80-8,156.70-3,364.20

Finding the Fourth Proportional to 5,437.80, 8,156.70 and 3,364.20

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Solution

The fourth proportional to 5,437.80, 8,156.70 and 3,364.20 is: 5,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.80 : 8,156.70 = 3,364.20 : x
  2. Step 2: Convert to fraction form
    5,437.80/8,156.70 = 3,364.20/x
  3. Step 3: Cross multiply
    5,437.80x = 8,156.70 × 3,364.20
  4. Step 4: Simplify right side
    5,437.80x = 27,440,770.14
  5. Step 5: Solve for x
    x = 27,440,770.14/5,437.80
  6. Step 6: Final answer
    x = 5,046.30

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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.