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Finding the Fourth Proportional to 5,885.53, 8,828.30 and 2,188.69

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Solution

The fourth proportional to 5,885.53, 8,828.30 and 2,188.69 is: 3,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.53 : 8,828.30 = 2,188.69 : x
  2. Step 2: Convert to fraction form
    5,885.53/8,828.30 = 2,188.69/x
  3. Step 3: Cross multiply
    5,885.53x = 8,828.30 × 2,188.69
  4. Step 4: Simplify right side
    5,885.53x = 19,322,378.91
  5. Step 5: Solve for x
    x = 19,322,378.91/5,885.53
  6. Step 6: Final answer
    x = 3,283.03

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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.