Home / 7,960.23-11,935.71-3,030.21

Finding the Fourth Proportional to 7,960.23, 11,935.71 and 3,030.21

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Solution

The fourth proportional to 7,960.23, 11,935.71 and 3,030.21 is: 4,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.23 : 11,935.71 = 3,030.21 : x
  2. Step 2: Convert to fraction form
    7,960.23/11,935.71 = 3,030.21/x
  3. Step 3: Cross multiply
    7,960.23x = 11,935.71 × 3,030.21
  4. Step 4: Simplify right side
    7,960.23x = 36,167,707.80
  5. Step 5: Solve for x
    x = 36,167,707.80/7,960.23
  6. Step 6: Final answer
    x = 4,543.55

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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.