Home / 4,667.80-7,000.07-1,380.02

Finding the Fourth Proportional to 4,667.80, 7,000.07 and 1,380.02

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Solution

The fourth proportional to 4,667.80, 7,000.07 and 1,380.02 is: 2,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.80 : 7,000.07 = 1,380.02 : x
  2. Step 2: Convert to fraction form
    4,667.80/7,000.07 = 1,380.02/x
  3. Step 3: Cross multiply
    4,667.80x = 7,000.07 × 1,380.02
  4. Step 4: Simplify right side
    4,667.80x = 9,660,236.60
  5. Step 5: Solve for x
    x = 9,660,236.60/4,667.80
  6. Step 6: Final answer
    x = 2,069.55

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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.