Home / 7,969.68-11,955.33-3,291.66

Finding the Fourth Proportional to 7,969.68, 11,955.33 and 3,291.66

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Solution

The fourth proportional to 7,969.68, 11,955.33 and 3,291.66 is: 4,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.68 : 11,955.33 = 3,291.66 : x
  2. Step 2: Convert to fraction form
    7,969.68/11,955.33 = 3,291.66/x
  3. Step 3: Cross multiply
    7,969.68x = 11,955.33 × 3,291.66
  4. Step 4: Simplify right side
    7,969.68x = 39,352,881.55
  5. Step 5: Solve for x
    x = 39,352,881.55/7,969.68
  6. Step 6: Final answer
    x = 4,937.82

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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.