Home / 4,523.20-6,784.80-2,579.20

Finding the Fourth Proportional to 4,523.20, 6,784.80 and 2,579.20

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Solution

The fourth proportional to 4,523.20, 6,784.80 and 2,579.20 is: 3,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,523.20 : 6,784.80 = 2,579.20 : x
  2. Step 2: Convert to fraction form
    4,523.20/6,784.80 = 2,579.20/x
  3. Step 3: Cross multiply
    4,523.20x = 6,784.80 × 2,579.20
  4. Step 4: Simplify right side
    4,523.20x = 17,499,356.16
  5. Step 5: Solve for x
    x = 17,499,356.16/4,523.20
  6. Step 6: Final answer
    x = 3,868.80

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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.