Home / 5,979.24-8,971.70-3,898.76

Finding the Fourth Proportional to 5,979.24, 8,971.70 and 3,898.76

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Solution

The fourth proportional to 5,979.24, 8,971.70 and 3,898.76 is: 5,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.24 : 8,971.70 = 3,898.76 : x
  2. Step 2: Convert to fraction form
    5,979.24/8,971.70 = 3,898.76/x
  3. Step 3: Cross multiply
    5,979.24x = 8,971.70 × 3,898.76
  4. Step 4: Simplify right side
    5,979.24x = 34,978,440.74
  5. Step 5: Solve for x
    x = 34,978,440.74/5,979.24
  6. Step 6: Final answer
    x = 5,849.98

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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.