Home / 7,516.86-11,276.40-2,321.52

Finding the Fourth Proportional to 7,516.86, 11,276.40 and 2,321.52

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Solution

The fourth proportional to 7,516.86, 11,276.40 and 2,321.52 is: 3,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.86 : 11,276.40 = 2,321.52 : x
  2. Step 2: Convert to fraction form
    7,516.86/11,276.40 = 2,321.52/x
  3. Step 3: Cross multiply
    7,516.86x = 11,276.40 × 2,321.52
  4. Step 4: Simplify right side
    7,516.86x = 26,178,388.13
  5. Step 5: Solve for x
    x = 26,178,388.13/7,516.86
  6. Step 6: Final answer
    x = 3,482.62

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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.