Home / 7,719.17-11,579.46-3,560.33

Finding the Fourth Proportional to 7,719.17, 11,579.46 and 3,560.33

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Solution

The fourth proportional to 7,719.17, 11,579.46 and 3,560.33 is: 5,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.17 : 11,579.46 = 3,560.33 : x
  2. Step 2: Convert to fraction form
    7,719.17/11,579.46 = 3,560.33/x
  3. Step 3: Cross multiply
    7,719.17x = 11,579.46 × 3,560.33
  4. Step 4: Simplify right side
    7,719.17x = 41,226,640.92
  5. Step 5: Solve for x
    x = 41,226,640.92/7,719.17
  6. Step 6: Final answer
    x = 5,340.82

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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.