Home / 5,099.22-7,639.38-2,631.42

Finding the Fourth Proportional to 5,099.22, 7,639.38 and 2,631.42

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Solution

The fourth proportional to 5,099.22, 7,639.38 and 2,631.42 is: 3,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.22 : 7,639.38 = 2,631.42 : x
  2. Step 2: Convert to fraction form
    5,099.22/7,639.38 = 2,631.42/x
  3. Step 3: Cross multiply
    5,099.22x = 7,639.38 × 2,631.42
  4. Step 4: Simplify right side
    5,099.22x = 20,102,417.32
  5. Step 5: Solve for x
    x = 20,102,417.32/5,099.22
  6. Step 6: Final answer
    x = 3,942.25

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1.5x scale

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.