Home / 7,428.23-11,140.92-4,791.59

Finding the Fourth Proportional to 7,428.23, 11,140.92 and 4,791.59

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Solution

The fourth proportional to 7,428.23, 11,140.92 and 4,791.59 is: 7,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.23 : 11,140.92 = 4,791.59 : x
  2. Step 2: Convert to fraction form
    7,428.23/11,140.92 = 4,791.59/x
  3. Step 3: Cross multiply
    7,428.23x = 11,140.92 × 4,791.59
  4. Step 4: Simplify right side
    7,428.23x = 53,382,720.86
  5. Step 5: Solve for x
    x = 53,382,720.86/7,428.23
  6. Step 6: Final answer
    x = 7,186.47

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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.