Home / 9,379.26-12,941.95-5,399.61

Finding the Fourth Proportional to 9,379.26, 12,941.95 and 5,399.61

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Solution

The fourth proportional to 9,379.26, 12,941.95 and 5,399.61 is: 7,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.26 : 12,941.95 = 5,399.61 : x
  2. Step 2: Convert to fraction form
    9,379.26/12,941.95 = 5,399.61/x
  3. Step 3: Cross multiply
    9,379.26x = 12,941.95 × 5,399.61
  4. Step 4: Simplify right side
    9,379.26x = 69,881,482.64
  5. Step 5: Solve for x
    x = 69,881,482.64/9,379.26
  6. Step 6: Final answer
    x = 7,450.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.