Home / 7,976.93-11,965.85-2,430.45

Finding the Fourth Proportional to 7,976.93, 11,965.85 and 2,430.45

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Solution

The fourth proportional to 7,976.93, 11,965.85 and 2,430.45 is: 3,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.93 : 11,965.85 = 2,430.45 : x
  2. Step 2: Convert to fraction form
    7,976.93/11,965.85 = 2,430.45/x
  3. Step 3: Cross multiply
    7,976.93x = 11,965.85 × 2,430.45
  4. Step 4: Simplify right side
    7,976.93x = 29,082,387.98
  5. Step 5: Solve for x
    x = 29,082,387.98/7,976.93
  6. Step 6: Final answer
    x = 3,645.81

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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.