Home / 4,816.91-6,642.89-3,697.90

Finding the Fourth Proportional to 4,816.91, 6,642.89 and 3,697.90

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Solution

The fourth proportional to 4,816.91, 6,642.89 and 3,697.90 is: 5,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.91 : 6,642.89 = 3,697.90 : x
  2. Step 2: Convert to fraction form
    4,816.91/6,642.89 = 3,697.90/x
  3. Step 3: Cross multiply
    4,816.91x = 6,642.89 × 3,697.90
  4. Step 4: Simplify right side
    4,816.91x = 24,564,742.93
  5. Step 5: Solve for x
    x = 24,564,742.93/4,816.91
  6. Step 6: Final answer
    x = 5,099.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.