Home / 7,379.56-11,065.47-3,629.71

Finding the Fourth Proportional to 7,379.56, 11,065.47 and 3,629.71

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Solution

The fourth proportional to 7,379.56, 11,065.47 and 3,629.71 is: 5,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.56 : 11,065.47 = 3,629.71 : x
  2. Step 2: Convert to fraction form
    7,379.56/11,065.47 = 3,629.71/x
  3. Step 3: Cross multiply
    7,379.56x = 11,065.47 × 3,629.71
  4. Step 4: Simplify right side
    7,379.56x = 40,164,447.11
  5. Step 5: Solve for x
    x = 40,164,447.11/7,379.56
  6. Step 6: Final answer
    x = 5,442.66

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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.