Home / 7,758.80-11,629.09-4,062.77

Finding the Fourth Proportional to 7,758.80, 11,629.09 and 4,062.77

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Solution

The fourth proportional to 7,758.80, 11,629.09 and 4,062.77 is: 6,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.80 : 11,629.09 = 4,062.77 : x
  2. Step 2: Convert to fraction form
    7,758.80/11,629.09 = 4,062.77/x
  3. Step 3: Cross multiply
    7,758.80x = 11,629.09 × 4,062.77
  4. Step 4: Simplify right side
    7,758.80x = 47,246,336.90
  5. Step 5: Solve for x
    x = 47,246,336.90/7,758.80
  6. Step 6: Final answer
    x = 6,089.39

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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.