Home / 7,976.37-11,965.04-2,430.12

Finding the Fourth Proportional to 7,976.37, 11,965.04 and 2,430.12

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Solution

The fourth proportional to 7,976.37, 11,965.04 and 2,430.12 is: 3,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.37 : 11,965.04 = 2,430.12 : x
  2. Step 2: Convert to fraction form
    7,976.37/11,965.04 = 2,430.12/x
  3. Step 3: Cross multiply
    7,976.37x = 11,965.04 × 2,430.12
  4. Step 4: Simplify right side
    7,976.37x = 29,076,483.00
  5. Step 5: Solve for x
    x = 29,076,483.00/7,976.37
  6. Step 6: Final answer
    x = 3,645.33

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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.