Home / 5,579.08-8,366.18-2,113.90

Finding the Fourth Proportional to 5,579.08, 8,366.18 and 2,113.90

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Solution

The fourth proportional to 5,579.08, 8,366.18 and 2,113.90 is: 3,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.08 : 8,366.18 = 2,113.90 : x
  2. Step 2: Convert to fraction form
    5,579.08/8,366.18 = 2,113.90/x
  3. Step 3: Cross multiply
    5,579.08x = 8,366.18 × 2,113.90
  4. Step 4: Simplify right side
    5,579.08x = 17,685,267.90
  5. Step 5: Solve for x
    x = 17,685,267.90/5,579.08
  6. Step 6: Final answer
    x = 3,169.93

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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.