Home / 7,579.20-11,366.04-2,647.44

Finding the Fourth Proportional to 7,579.20, 11,366.04 and 2,647.44

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Solution

The fourth proportional to 7,579.20, 11,366.04 and 2,647.44 is: 3,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.20 : 11,366.04 = 2,647.44 : x
  2. Step 2: Convert to fraction form
    7,579.20/11,366.04 = 2,647.44/x
  3. Step 3: Cross multiply
    7,579.20x = 11,366.04 × 2,647.44
  4. Step 4: Simplify right side
    7,579.20x = 30,090,908.94
  5. Step 5: Solve for x
    x = 30,090,908.94/7,579.20
  6. Step 6: Final answer
    x = 3,970.20

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1.5x scale

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.