Home / 8,726.19-13,078.81-4,039.84

Finding the Fourth Proportional to 8,726.19, 13,078.81 and 4,039.84

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Solution

The fourth proportional to 8,726.19, 13,078.81 and 4,039.84 is: 6,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.19 : 13,078.81 = 4,039.84 : x
  2. Step 2: Convert to fraction form
    8,726.19/13,078.81 = 4,039.84/x
  3. Step 3: Cross multiply
    8,726.19x = 13,078.81 × 4,039.84
  4. Step 4: Simplify right side
    8,726.19x = 52,836,299.79
  5. Step 5: Solve for x
    x = 52,836,299.79/8,726.19
  6. Step 6: Final answer
    x = 6,054.91

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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.