Home / 7,780.50-11,667.22-2,232.57

Finding the Fourth Proportional to 7,780.50, 11,667.22 and 2,232.57

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Solution

The fourth proportional to 7,780.50, 11,667.22 and 2,232.57 is: 3,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.50 : 11,667.22 = 2,232.57 : x
  2. Step 2: Convert to fraction form
    7,780.50/11,667.22 = 2,232.57/x
  3. Step 3: Cross multiply
    7,780.50x = 11,667.22 × 2,232.57
  4. Step 4: Simplify right side
    7,780.50x = 26,047,885.36
  5. Step 5: Solve for x
    x = 26,047,885.36/7,780.50
  6. Step 6: Final answer
    x = 3,347.84

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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.