Home / 5,721.28-8,570.67-3,767.56

Finding the Fourth Proportional to 5,721.28, 8,570.67 and 3,767.56

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Solution

The fourth proportional to 5,721.28, 8,570.67 and 3,767.56 is: 5,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.28 : 8,570.67 = 3,767.56 : x
  2. Step 2: Convert to fraction form
    5,721.28/8,570.67 = 3,767.56/x
  3. Step 3: Cross multiply
    5,721.28x = 8,570.67 × 3,767.56
  4. Step 4: Simplify right side
    5,721.28x = 32,290,513.47
  5. Step 5: Solve for x
    x = 32,290,513.47/5,721.28
  6. Step 6: Final answer
    x = 5,643.93

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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.