Home / 5,721.84-8,584.47-2,391.69

Finding the Fourth Proportional to 5,721.84, 8,584.47 and 2,391.69

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Solution

The fourth proportional to 5,721.84, 8,584.47 and 2,391.69 is: 3,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.84 : 8,584.47 = 2,391.69 : x
  2. Step 2: Convert to fraction form
    5,721.84/8,584.47 = 2,391.69/x
  3. Step 3: Cross multiply
    5,721.84x = 8,584.47 × 2,391.69
  4. Step 4: Simplify right side
    5,721.84x = 20,531,391.05
  5. Step 5: Solve for x
    x = 20,531,391.05/5,721.84
  6. Step 6: Final answer
    x = 3,588.25

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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.