Home / 7,786.77-11,681.94-2,240.16

Finding the Fourth Proportional to 7,786.77, 11,681.94 and 2,240.16

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Solution

The fourth proportional to 7,786.77, 11,681.94 and 2,240.16 is: 3,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.77 : 11,681.94 = 2,240.16 : x
  2. Step 2: Convert to fraction form
    7,786.77/11,681.94 = 2,240.16/x
  3. Step 3: Cross multiply
    7,786.77x = 11,681.94 × 2,240.16
  4. Step 4: Simplify right side
    7,786.77x = 26,169,414.71
  5. Step 5: Solve for x
    x = 26,169,414.71/7,786.77
  6. Step 6: Final answer
    x = 3,360.75

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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.