Home / 5,372.16-8,054.93-1,861.35

Finding the Fourth Proportional to 5,372.16, 8,054.93 and 1,861.35

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Solution

The fourth proportional to 5,372.16, 8,054.93 and 1,861.35 is: 2,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.16 : 8,054.93 = 1,861.35 : x
  2. Step 2: Convert to fraction form
    5,372.16/8,054.93 = 1,861.35/x
  3. Step 3: Cross multiply
    5,372.16x = 8,054.93 × 1,861.35
  4. Step 4: Simplify right side
    5,372.16x = 14,993,059.44
  5. Step 5: Solve for x
    x = 14,993,059.44/5,372.16
  6. Step 6: Final answer
    x = 2,790.88

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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.