Home / 7,977.03-11,967-2,429.75

Finding the Fourth Proportional to 7,977.03, 11,967 and 2,429.75

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Solution

The fourth proportional to 7,977.03, 11,967 and 2,429.75 is: 3,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.03 : 11,967 = 2,429.75 : x
  2. Step 2: Convert to fraction form
    7,977.03/11,967 = 2,429.75/x
  3. Step 3: Cross multiply
    7,977.03x = 11,967 × 2,429.75
  4. Step 4: Simplify right side
    7,977.03x = 29,076,818.25
  5. Step 5: Solve for x
    x = 29,076,818.25/7,977.03
  6. Step 6: Final answer
    x = 3,645.07

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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.