Home / 7,655.27-11,485.82-3,955.19

Finding the Fourth Proportional to 7,655.27, 11,485.82 and 3,955.19

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Solution

The fourth proportional to 7,655.27, 11,485.82 and 3,955.19 is: 5,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.27 : 11,485.82 = 3,955.19 : x
  2. Step 2: Convert to fraction form
    7,655.27/11,485.82 = 3,955.19/x
  3. Step 3: Cross multiply
    7,655.27x = 11,485.82 × 3,955.19
  4. Step 4: Simplify right side
    7,655.27x = 45,428,580.63
  5. Step 5: Solve for x
    x = 45,428,580.63/7,655.27
  6. Step 6: Final answer
    x = 5,934.29

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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.