Home / 7,579.70-11,372.81-2,901.12

Finding the Fourth Proportional to 7,579.70, 11,372.81 and 2,901.12

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Solution

The fourth proportional to 7,579.70, 11,372.81 and 2,901.12 is: 4,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.70 : 11,372.81 = 2,901.12 : x
  2. Step 2: Convert to fraction form
    7,579.70/11,372.81 = 2,901.12/x
  3. Step 3: Cross multiply
    7,579.70x = 11,372.81 × 2,901.12
  4. Step 4: Simplify right side
    7,579.70x = 32,993,872.04
  5. Step 5: Solve for x
    x = 32,993,872.04/7,579.70
  6. Step 6: Final answer
    x = 4,352.93

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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.