Home / 4,688.42-7,022.90-3,758.94

Finding the Fourth Proportional to 4,688.42, 7,022.90 and 3,758.94

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Solution

The fourth proportional to 4,688.42, 7,022.90 and 3,758.94 is: 5,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.42 : 7,022.90 = 3,758.94 : x
  2. Step 2: Convert to fraction form
    4,688.42/7,022.90 = 3,758.94/x
  3. Step 3: Cross multiply
    4,688.42x = 7,022.90 × 3,758.94
  4. Step 4: Simplify right side
    4,688.42x = 26,398,669.12
  5. Step 5: Solve for x
    x = 26,398,669.12/4,688.42
  6. Step 6: Final answer
    x = 5,630.62

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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.