Home / 7,955.89-11,930.35-3,272.77

Finding the Fourth Proportional to 7,955.89, 11,930.35 and 3,272.77

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Solution

The fourth proportional to 7,955.89, 11,930.35 and 3,272.77 is: 4,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.89 : 11,930.35 = 3,272.77 : x
  2. Step 2: Convert to fraction form
    7,955.89/11,930.35 = 3,272.77/x
  3. Step 3: Cross multiply
    7,955.89x = 11,930.35 × 3,272.77
  4. Step 4: Simplify right side
    7,955.89x = 39,045,291.57
  5. Step 5: Solve for x
    x = 39,045,291.57/7,955.89
  6. Step 6: Final answer
    x = 4,907.72

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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.