Home / 8,811.06-13,216.38-3,877.74

Finding the Fourth Proportional to 8,811.06, 13,216.38 and 3,877.74

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Solution

The fourth proportional to 8,811.06, 13,216.38 and 3,877.74 is: 5,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.06 : 13,216.38 = 3,877.74 : x
  2. Step 2: Convert to fraction form
    8,811.06/13,216.38 = 3,877.74/x
  3. Step 3: Cross multiply
    8,811.06x = 13,216.38 × 3,877.74
  4. Step 4: Simplify right side
    8,811.06x = 51,249,685.38
  5. Step 5: Solve for x
    x = 51,249,685.38/8,811.06
  6. Step 6: Final answer
    x = 5,816.52

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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.