Home / 7,319.16-10,983.24-3,423.96

Finding the Fourth Proportional to 7,319.16, 10,983.24 and 3,423.96

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Solution

The fourth proportional to 7,319.16, 10,983.24 and 3,423.96 is: 5,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.16 : 10,983.24 = 3,423.96 : x
  2. Step 2: Convert to fraction form
    7,319.16/10,983.24 = 3,423.96/x
  3. Step 3: Cross multiply
    7,319.16x = 10,983.24 × 3,423.96
  4. Step 4: Simplify right side
    7,319.16x = 37,606,174.43
  5. Step 5: Solve for x
    x = 37,606,174.43/7,319.16
  6. Step 6: Final answer
    x = 5,138.05

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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.