Home / 7,647.70-11,465.38-2,714.62

Finding the Fourth Proportional to 7,647.70, 11,465.38 and 2,714.62

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Solution

The fourth proportional to 7,647.70, 11,465.38 and 2,714.62 is: 4,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.70 : 11,465.38 = 2,714.62 : x
  2. Step 2: Convert to fraction form
    7,647.70/11,465.38 = 2,714.62/x
  3. Step 3: Cross multiply
    7,647.70x = 11,465.38 × 2,714.62
  4. Step 4: Simplify right side
    7,647.70x = 31,124,149.86
  5. Step 5: Solve for x
    x = 31,124,149.86/7,647.70
  6. Step 6: Final answer
    x = 4,069.74

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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.