Home / 7,911.46-11,863.34-2,362.86

Finding the Fourth Proportional to 7,911.46, 11,863.34 and 2,362.86

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Solution

The fourth proportional to 7,911.46, 11,863.34 and 2,362.86 is: 3,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.46 : 11,863.34 = 2,362.86 : x
  2. Step 2: Convert to fraction form
    7,911.46/11,863.34 = 2,362.86/x
  3. Step 3: Cross multiply
    7,911.46x = 11,863.34 × 2,362.86
  4. Step 4: Simplify right side
    7,911.46x = 28,031,411.55
  5. Step 5: Solve for x
    x = 28,031,411.55/7,911.46
  6. Step 6: Final answer
    x = 3,543.14

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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.