Home / 7,311.30-10,967.89-2,379.26

Finding the Fourth Proportional to 7,311.30, 10,967.89 and 2,379.26

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Solution

The fourth proportional to 7,311.30, 10,967.89 and 2,379.26 is: 3,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.30 : 10,967.89 = 2,379.26 : x
  2. Step 2: Convert to fraction form
    7,311.30/10,967.89 = 2,379.26/x
  3. Step 3: Cross multiply
    7,311.30x = 10,967.89 × 2,379.26
  4. Step 4: Simplify right side
    7,311.30x = 26,095,461.96
  5. Step 5: Solve for x
    x = 26,095,461.96/7,311.30
  6. Step 6: Final answer
    x = 3,569.20

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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.