Home / 5,714.50-8,571.20-1,818.22

Finding the Fourth Proportional to 5,714.50, 8,571.20 and 1,818.22

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Solution

The fourth proportional to 5,714.50, 8,571.20 and 1,818.22 is: 2,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.50 : 8,571.20 = 1,818.22 : x
  2. Step 2: Convert to fraction form
    5,714.50/8,571.20 = 1,818.22/x
  3. Step 3: Cross multiply
    5,714.50x = 8,571.20 × 1,818.22
  4. Step 4: Simplify right side
    5,714.50x = 15,584,327.26
  5. Step 5: Solve for x
    x = 15,584,327.26/5,714.50
  6. Step 6: Final answer
    x = 2,727.16

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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.