Home / 7,977.59-11,966.39-3,292.45

Finding the Fourth Proportional to 7,977.59, 11,966.39 and 3,292.45

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Solution

The fourth proportional to 7,977.59, 11,966.39 and 3,292.45 is: 4,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.59 : 11,966.39 = 3,292.45 : x
  2. Step 2: Convert to fraction form
    7,977.59/11,966.39 = 3,292.45/x
  3. Step 3: Cross multiply
    7,977.59x = 11,966.39 × 3,292.45
  4. Step 4: Simplify right side
    7,977.59x = 39,398,706.72
  5. Step 5: Solve for x
    x = 39,398,706.72/7,977.59
  6. Step 6: Final answer
    x = 4,938.67

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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.