Home / 4,667.70-6,438.21-3,899.04

Finding the Fourth Proportional to 4,667.70, 6,438.21 and 3,899.04

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Solution

The fourth proportional to 4,667.70, 6,438.21 and 3,899.04 is: 5,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.70 : 6,438.21 = 3,899.04 : x
  2. Step 2: Convert to fraction form
    4,667.70/6,438.21 = 3,899.04/x
  3. Step 3: Cross multiply
    4,667.70x = 6,438.21 × 3,899.04
  4. Step 4: Simplify right side
    4,667.70x = 25,102,838.32
  5. Step 5: Solve for x
    x = 25,102,838.32/4,667.70
  6. Step 6: Final answer
    x = 5,377.99

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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.