Home / 5,812.08-8,718.72-1,861.95

Finding the Fourth Proportional to 5,812.08, 8,718.72 and 1,861.95

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Solution

The fourth proportional to 5,812.08, 8,718.72 and 1,861.95 is: 2,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.08 : 8,718.72 = 1,861.95 : x
  2. Step 2: Convert to fraction form
    5,812.08/8,718.72 = 1,861.95/x
  3. Step 3: Cross multiply
    5,812.08x = 8,718.72 × 1,861.95
  4. Step 4: Simplify right side
    5,812.08x = 16,233,820.70
  5. Step 5: Solve for x
    x = 16,233,820.70/5,812.08
  6. Step 6: Final answer
    x = 2,793.12

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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.