Home / 4,667.12-6,998.65-1,380.44

Finding the Fourth Proportional to 4,667.12, 6,998.65 and 1,380.44

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Solution

The fourth proportional to 4,667.12, 6,998.65 and 1,380.44 is: 2,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.12 : 6,998.65 = 1,380.44 : x
  2. Step 2: Convert to fraction form
    4,667.12/6,998.65 = 1,380.44/x
  3. Step 3: Cross multiply
    4,667.12x = 6,998.65 × 1,380.44
  4. Step 4: Simplify right side
    4,667.12x = 9,661,174.51
  5. Step 5: Solve for x
    x = 9,661,174.51/4,667.12
  6. Step 6: Final answer
    x = 2,070.05

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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.