Home / 7,679.06-11,513.10-3,294.13

Finding the Fourth Proportional to 7,679.06, 11,513.10 and 3,294.13

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Solution

The fourth proportional to 7,679.06, 11,513.10 and 3,294.13 is: 4,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.06 : 11,513.10 = 3,294.13 : x
  2. Step 2: Convert to fraction form
    7,679.06/11,513.10 = 3,294.13/x
  3. Step 3: Cross multiply
    7,679.06x = 11,513.10 × 3,294.13
  4. Step 4: Simplify right side
    7,679.06x = 37,925,648.10
  5. Step 5: Solve for x
    x = 37,925,648.10/7,679.06
  6. Step 6: Final answer
    x = 4,938.84

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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.