Home / 5,437.08-8,156.84-1,739.61

Finding the Fourth Proportional to 5,437.08, 8,156.84 and 1,739.61

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Solution

The fourth proportional to 5,437.08, 8,156.84 and 1,739.61 is: 2,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.08 : 8,156.84 = 1,739.61 : x
  2. Step 2: Convert to fraction form
    5,437.08/8,156.84 = 1,739.61/x
  3. Step 3: Cross multiply
    5,437.08x = 8,156.84 × 1,739.61
  4. Step 4: Simplify right side
    5,437.08x = 14,189,711.73
  5. Step 5: Solve for x
    x = 14,189,711.73/5,437.08
  6. Step 6: Final answer
    x = 2,609.80

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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.