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Finding the Fourth Proportional to 5,789.19, 8,681.18 and 3,450.30

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Solution

The fourth proportional to 5,789.19, 8,681.18 and 3,450.30 is: 5,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.19 : 8,681.18 = 3,450.30 : x
  2. Step 2: Convert to fraction form
    5,789.19/8,681.18 = 3,450.30/x
  3. Step 3: Cross multiply
    5,789.19x = 8,681.18 × 3,450.30
  4. Step 4: Simplify right side
    5,789.19x = 29,952,675.35
  5. Step 5: Solve for x
    x = 29,952,675.35/5,789.19
  6. Step 6: Final answer
    x = 5,173.90

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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.