Home / 7,913.15-11,873.86-5,739.82

Finding the Fourth Proportional to 7,913.15, 11,873.86 and 5,739.82

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Solution

The fourth proportional to 7,913.15, 11,873.86 and 5,739.82 is: 8,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.15 : 11,873.86 = 5,739.82 : x
  2. Step 2: Convert to fraction form
    7,913.15/11,873.86 = 5,739.82/x
  3. Step 3: Cross multiply
    7,913.15x = 11,873.86 × 5,739.82
  4. Step 4: Simplify right side
    7,913.15x = 68,153,841.86
  5. Step 5: Solve for x
    x = 68,153,841.86/7,913.15
  6. Step 6: Final answer
    x = 8,612.73

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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.