Home / 5,816.06-8,725.80-2,118.20

Finding the Fourth Proportional to 5,816.06, 8,725.80 and 2,118.20

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Solution

The fourth proportional to 5,816.06, 8,725.80 and 2,118.20 is: 3,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.06 : 8,725.80 = 2,118.20 : x
  2. Step 2: Convert to fraction form
    5,816.06/8,725.80 = 2,118.20/x
  3. Step 3: Cross multiply
    5,816.06x = 8,725.80 × 2,118.20
  4. Step 4: Simplify right side
    5,816.06x = 18,482,989.56
  5. Step 5: Solve for x
    x = 18,482,989.56/5,816.06
  6. Step 6: Final answer
    x = 3,177.92

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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.