Home / 5,099.21-7,036.86-2,861.09

Finding the Fourth Proportional to 5,099.21, 7,036.86 and 2,861.09

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Solution

The fourth proportional to 5,099.21, 7,036.86 and 2,861.09 is: 3,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.21 : 7,036.86 = 2,861.09 : x
  2. Step 2: Convert to fraction form
    5,099.21/7,036.86 = 2,861.09/x
  3. Step 3: Cross multiply
    5,099.21x = 7,036.86 × 2,861.09
  4. Step 4: Simplify right side
    5,099.21x = 20,133,089.78
  5. Step 5: Solve for x
    x = 20,133,089.78/5,099.21
  6. Step 6: Final answer
    x = 3,948.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.