Home / 4,479.91-6,720.06-1,558.44

Finding the Fourth Proportional to 4,479.91, 6,720.06 and 1,558.44

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Solution

The fourth proportional to 4,479.91, 6,720.06 and 1,558.44 is: 2,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.91 : 6,720.06 = 1,558.44 : x
  2. Step 2: Convert to fraction form
    4,479.91/6,720.06 = 1,558.44/x
  3. Step 3: Cross multiply
    4,479.91x = 6,720.06 × 1,558.44
  4. Step 4: Simplify right side
    4,479.91x = 10,472,816.15
  5. Step 5: Solve for x
    x = 10,472,816.15/4,479.91
  6. Step 6: Final answer
    x = 2,337.73

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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.