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Finding the Fourth Proportional to 5,582.84, 7,704.29 and 3,064.88

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Solution

The fourth proportional to 5,582.84, 7,704.29 and 3,064.88 is: 4,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.84 : 7,704.29 = 3,064.88 : x
  2. Step 2: Convert to fraction form
    5,582.84/7,704.29 = 3,064.88/x
  3. Step 3: Cross multiply
    5,582.84x = 7,704.29 × 3,064.88
  4. Step 4: Simplify right side
    5,582.84x = 23,612,670.49
  5. Step 5: Solve for x
    x = 23,612,670.49/5,582.84
  6. Step 6: Final answer
    x = 4,229.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.