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Finding the Fourth Proportional to 5,885.44, 8,827.62 and 1,989.88

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Solution

The fourth proportional to 5,885.44, 8,827.62 and 1,989.88 is: 2,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.44 : 8,827.62 = 1,989.88 : x
  2. Step 2: Convert to fraction form
    5,885.44/8,827.62 = 1,989.88/x
  3. Step 3: Cross multiply
    5,885.44x = 8,827.62 × 1,989.88
  4. Step 4: Simplify right side
    5,885.44x = 17,565,904.49
  5. Step 5: Solve for x
    x = 17,565,904.49/5,885.44
  6. Step 6: Final answer
    x = 2,984.64

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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.