Home / 7,715.70-11,579.09-3,336.30

Finding the Fourth Proportional to 7,715.70, 11,579.09 and 3,336.30

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Solution

The fourth proportional to 7,715.70, 11,579.09 and 3,336.30 is: 5,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.70 : 11,579.09 = 3,336.30 : x
  2. Step 2: Convert to fraction form
    7,715.70/11,579.09 = 3,336.30/x
  3. Step 3: Cross multiply
    7,715.70x = 11,579.09 × 3,336.30
  4. Step 4: Simplify right side
    7,715.70x = 38,631,301.29
  5. Step 5: Solve for x
    x = 38,631,301.29/7,715.70
  6. Step 6: Final answer
    x = 5,006.84

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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.