Home / 5,579.87-8,364.33-3,116.77

Finding the Fourth Proportional to 5,579.87, 8,364.33 and 3,116.77

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Solution

The fourth proportional to 5,579.87, 8,364.33 and 3,116.77 is: 4,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.87 : 8,364.33 = 3,116.77 : x
  2. Step 2: Convert to fraction form
    5,579.87/8,364.33 = 3,116.77/x
  3. Step 3: Cross multiply
    5,579.87x = 8,364.33 × 3,116.77
  4. Step 4: Simplify right side
    5,579.87x = 26,069,671.90
  5. Step 5: Solve for x
    x = 26,069,671.90/5,579.87
  6. Step 6: Final answer
    x = 4,672.10

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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.