Home / 4,667.62-6,999.40-1,380.94

Finding the Fourth Proportional to 4,667.62, 6,999.40 and 1,380.94

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Solution

The fourth proportional to 4,667.62, 6,999.40 and 1,380.94 is: 2,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.62 : 6,999.40 = 1,380.94 : x
  2. Step 2: Convert to fraction form
    4,667.62/6,999.40 = 1,380.94/x
  3. Step 3: Cross multiply
    4,667.62x = 6,999.40 × 1,380.94
  4. Step 4: Simplify right side
    4,667.62x = 9,665,709.53
  5. Step 5: Solve for x
    x = 9,665,709.53/4,667.62
  6. Step 6: Final answer
    x = 2,070.80

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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.