Home / 5,619.16-8,439.68-4,579.93

Finding the Fourth Proportional to 5,619.16, 8,439.68 and 4,579.93

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Solution

The fourth proportional to 5,619.16, 8,439.68 and 4,579.93 is: 6,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.16 : 8,439.68 = 4,579.93 : x
  2. Step 2: Convert to fraction form
    5,619.16/8,439.68 = 4,579.93/x
  3. Step 3: Cross multiply
    5,619.16x = 8,439.68 × 4,579.93
  4. Step 4: Simplify right side
    5,619.16x = 38,653,120.72
  5. Step 5: Solve for x
    x = 38,653,120.72/5,619.16
  6. Step 6: Final answer
    x = 6,878.81

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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.