Home / 5,713.84-8,572.44-1,818.16

Finding the Fourth Proportional to 5,713.84, 8,572.44 and 1,818.16

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Solution

The fourth proportional to 5,713.84, 8,572.44 and 1,818.16 is: 2,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.84 : 8,572.44 = 1,818.16 : x
  2. Step 2: Convert to fraction form
    5,713.84/8,572.44 = 1,818.16/x
  3. Step 3: Cross multiply
    5,713.84x = 8,572.44 × 1,818.16
  4. Step 4: Simplify right side
    5,713.84x = 15,586,067.51
  5. Step 5: Solve for x
    x = 15,586,067.51/5,713.84
  6. Step 6: Final answer
    x = 2,727.77

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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.