Home / 4,281.40-5,909.86-2,667.64

Finding the Fourth Proportional to 4,281.40, 5,909.86 and 2,667.64

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Solution

The fourth proportional to 4,281.40, 5,909.86 and 2,667.64 is: 3,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.40 : 5,909.86 = 2,667.64 : x
  2. Step 2: Convert to fraction form
    4,281.40/5,909.86 = 2,667.64/x
  3. Step 3: Cross multiply
    4,281.40x = 5,909.86 × 2,667.64
  4. Step 4: Simplify right side
    4,281.40x = 15,765,378.93
  5. Step 5: Solve for x
    x = 15,765,378.93/4,281.40
  6. Step 6: Final answer
    x = 3,682.30

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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.