Home / 7,579.72-11,354.70-4,282.76

Finding the Fourth Proportional to 7,579.72, 11,354.70 and 4,282.76

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Solution

The fourth proportional to 7,579.72, 11,354.70 and 4,282.76 is: 6,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.72 : 11,354.70 = 4,282.76 : x
  2. Step 2: Convert to fraction form
    7,579.72/11,354.70 = 4,282.76/x
  3. Step 3: Cross multiply
    7,579.72x = 11,354.70 × 4,282.76
  4. Step 4: Simplify right side
    7,579.72x = 48,629,454.97
  5. Step 5: Solve for x
    x = 48,629,454.97/7,579.72
  6. Step 6: Final answer
    x = 6,415.73

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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.