Home / 7,659.36-11,488.58-2,728.74

Finding the Fourth Proportional to 7,659.36, 11,488.58 and 2,728.74

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Solution

The fourth proportional to 7,659.36, 11,488.58 and 2,728.74 is: 4,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.36 : 11,488.58 = 2,728.74 : x
  2. Step 2: Convert to fraction form
    7,659.36/11,488.58 = 2,728.74/x
  3. Step 3: Cross multiply
    7,659.36x = 11,488.58 × 2,728.74
  4. Step 4: Simplify right side
    7,659.36x = 31,349,338.19
  5. Step 5: Solve for x
    x = 31,349,338.19/7,659.36
  6. Step 6: Final answer
    x = 4,092.94

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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.