Home / 5,713.72-8,571.30-1,818.16

Finding the Fourth Proportional to 5,713.72, 8,571.30 and 1,818.16

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Solution

The fourth proportional to 5,713.72, 8,571.30 and 1,818.16 is: 2,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.72 : 8,571.30 = 1,818.16 : x
  2. Step 2: Convert to fraction form
    5,713.72/8,571.30 = 1,818.16/x
  3. Step 3: Cross multiply
    5,713.72x = 8,571.30 × 1,818.16
  4. Step 4: Simplify right side
    5,713.72x = 15,583,994.81
  5. Step 5: Solve for x
    x = 15,583,994.81/5,713.72
  6. Step 6: Final answer
    x = 2,727.47

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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.