Home / 9,379.27-12,943.32-5,401.66

Finding the Fourth Proportional to 9,379.27, 12,943.32 and 5,401.66

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Solution

The fourth proportional to 9,379.27, 12,943.32 and 5,401.66 is: 7,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.27 : 12,943.32 = 5,401.66 : x
  2. Step 2: Convert to fraction form
    9,379.27/12,943.32 = 5,401.66/x
  3. Step 3: Cross multiply
    9,379.27x = 12,943.32 × 5,401.66
  4. Step 4: Simplify right side
    9,379.27x = 69,915,437.16
  5. Step 5: Solve for x
    x = 69,915,437.16/9,379.27
  6. Step 6: Final answer
    x = 7,454.25

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1.5x scale

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.