Home / 7,780.61-11,667.48-2,232.70

Finding the Fourth Proportional to 7,780.61, 11,667.48 and 2,232.70

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Solution

The fourth proportional to 7,780.61, 11,667.48 and 2,232.70 is: 3,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.61 : 11,667.48 = 2,232.70 : x
  2. Step 2: Convert to fraction form
    7,780.61/11,667.48 = 2,232.70/x
  3. Step 3: Cross multiply
    7,780.61x = 11,667.48 × 2,232.70
  4. Step 4: Simplify right side
    7,780.61x = 26,049,982.60
  5. Step 5: Solve for x
    x = 26,049,982.60/7,780.61
  6. Step 6: Final answer
    x = 3,348.06

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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.