Home / 7,561.68-11,345.56-3,665.68

Finding the Fourth Proportional to 7,561.68, 11,345.56 and 3,665.68

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Solution

The fourth proportional to 7,561.68, 11,345.56 and 3,665.68 is: 5,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.68 : 11,345.56 = 3,665.68 : x
  2. Step 2: Convert to fraction form
    7,561.68/11,345.56 = 3,665.68/x
  3. Step 3: Cross multiply
    7,561.68x = 11,345.56 × 3,665.68
  4. Step 4: Simplify right side
    7,561.68x = 41,589,192.38
  5. Step 5: Solve for x
    x = 41,589,192.38/7,561.68
  6. Step 6: Final answer
    x = 5,499.99

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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.