Home / 5,474.30-8,211.45-3,746.30

Finding the Fourth Proportional to 5,474.30, 8,211.45 and 3,746.30

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Solution

The fourth proportional to 5,474.30, 8,211.45 and 3,746.30 is: 5,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.30 : 8,211.45 = 3,746.30 : x
  2. Step 2: Convert to fraction form
    5,474.30/8,211.45 = 3,746.30/x
  3. Step 3: Cross multiply
    5,474.30x = 8,211.45 × 3,746.30
  4. Step 4: Simplify right side
    5,474.30x = 30,762,555.14
  5. Step 5: Solve for x
    x = 30,762,555.14/5,474.30
  6. Step 6: Final answer
    x = 5,619.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.