Home / 7,985.24-11,977.38-3,052.64

Finding the Fourth Proportional to 7,985.24, 11,977.38 and 3,052.64

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Solution

The fourth proportional to 7,985.24, 11,977.38 and 3,052.64 is: 4,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.24 : 11,977.38 = 3,052.64 : x
  2. Step 2: Convert to fraction form
    7,985.24/11,977.38 = 3,052.64/x
  3. Step 3: Cross multiply
    7,985.24x = 11,977.38 × 3,052.64
  4. Step 4: Simplify right side
    7,985.24x = 36,562,569.40
  5. Step 5: Solve for x
    x = 36,562,569.40/7,985.24
  6. Step 6: Final answer
    x = 4,578.77

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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.