Home / 8,701.81-13,054.74-3,772.87

Finding the Fourth Proportional to 8,701.81, 13,054.74 and 3,772.87

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Solution

The fourth proportional to 8,701.81, 13,054.74 and 3,772.87 is: 5,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.81 : 13,054.74 = 3,772.87 : x
  2. Step 2: Convert to fraction form
    8,701.81/13,054.74 = 3,772.87/x
  3. Step 3: Cross multiply
    8,701.81x = 13,054.74 × 3,772.87
  4. Step 4: Simplify right side
    8,701.81x = 49,253,836.90
  5. Step 5: Solve for x
    x = 49,253,836.90/8,701.81
  6. Step 6: Final answer
    x = 5,660.18

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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.