Home / 7,748.18-11,620.19-3,364.59

Finding the Fourth Proportional to 7,748.18, 11,620.19 and 3,364.59

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Solution

The fourth proportional to 7,748.18, 11,620.19 and 3,364.59 is: 5,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.18 : 11,620.19 = 3,364.59 : x
  2. Step 2: Convert to fraction form
    7,748.18/11,620.19 = 3,364.59/x
  3. Step 3: Cross multiply
    7,748.18x = 11,620.19 × 3,364.59
  4. Step 4: Simplify right side
    7,748.18x = 39,097,227.06
  5. Step 5: Solve for x
    x = 39,097,227.06/7,748.18
  6. Step 6: Final answer
    x = 5,045.99

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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.