Home / 7,789.66-11,674.77-3,895.18

Finding the Fourth Proportional to 7,789.66, 11,674.77 and 3,895.18

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Solution

The fourth proportional to 7,789.66, 11,674.77 and 3,895.18 is: 5,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.66 : 11,674.77 = 3,895.18 : x
  2. Step 2: Convert to fraction form
    7,789.66/11,674.77 = 3,895.18/x
  3. Step 3: Cross multiply
    7,789.66x = 11,674.77 × 3,895.18
  4. Step 4: Simplify right side
    7,789.66x = 45,475,330.61
  5. Step 5: Solve for x
    x = 45,475,330.61/7,789.66
  6. Step 6: Final answer
    x = 5,837.91

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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.