Home / 7,659.15-11,488.77-2,728.98

Finding the Fourth Proportional to 7,659.15, 11,488.77 and 2,728.98

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Solution

The fourth proportional to 7,659.15, 11,488.77 and 2,728.98 is: 4,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.15 : 11,488.77 = 2,728.98 : x
  2. Step 2: Convert to fraction form
    7,659.15/11,488.77 = 2,728.98/x
  3. Step 3: Cross multiply
    7,659.15x = 11,488.77 × 2,728.98
  4. Step 4: Simplify right side
    7,659.15x = 31,352,623.55
  5. Step 5: Solve for x
    x = 31,352,623.55/7,659.15
  6. Step 6: Final answer
    x = 4,093.49

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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.