Home / 5,438.97-7,511.90-3,667.50

Finding the Fourth Proportional to 5,438.97, 7,511.90 and 3,667.50

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Solution

The fourth proportional to 5,438.97, 7,511.90 and 3,667.50 is: 5,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.97 : 7,511.90 = 3,667.50 : x
  2. Step 2: Convert to fraction form
    5,438.97/7,511.90 = 3,667.50/x
  3. Step 3: Cross multiply
    5,438.97x = 7,511.90 × 3,667.50
  4. Step 4: Simplify right side
    5,438.97x = 27,549,874.91
  5. Step 5: Solve for x
    x = 27,549,874.91/5,438.97
  6. Step 6: Final answer
    x = 5,065.27

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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.