Home / 4,979.01-7,471.43-1,861.17

Finding the Fourth Proportional to 4,979.01, 7,471.43 and 1,861.17

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Solution

The fourth proportional to 4,979.01, 7,471.43 and 1,861.17 is: 2,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.01 : 7,471.43 = 1,861.17 : x
  2. Step 2: Convert to fraction form
    4,979.01/7,471.43 = 1,861.17/x
  3. Step 3: Cross multiply
    4,979.01x = 7,471.43 × 1,861.17
  4. Step 4: Simplify right side
    4,979.01x = 13,905,601.37
  5. Step 5: Solve for x
    x = 13,905,601.37/4,979.01
  6. Step 6: Final answer
    x = 2,792.84

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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.