Home / 8,909.96-13,360.74-2,667.56

Finding the Fourth Proportional to 8,909.96, 13,360.74 and 2,667.56

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Solution

The fourth proportional to 8,909.96, 13,360.74 and 2,667.56 is: 4,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.96 : 13,360.74 = 2,667.56 : x
  2. Step 2: Convert to fraction form
    8,909.96/13,360.74 = 2,667.56/x
  3. Step 3: Cross multiply
    8,909.96x = 13,360.74 × 2,667.56
  4. Step 4: Simplify right side
    8,909.96x = 35,640,575.59
  5. Step 5: Solve for x
    x = 35,640,575.59/8,909.96
  6. Step 6: Final answer
    x = 4,000.08

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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.