Home / 8,146.28-11,241.21-4,742.77

Finding the Fourth Proportional to 8,146.28, 11,241.21 and 4,742.77

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Solution

The fourth proportional to 8,146.28, 11,241.21 and 4,742.77 is: 6,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.28 : 11,241.21 = 4,742.77 : x
  2. Step 2: Convert to fraction form
    8,146.28/11,241.21 = 4,742.77/x
  3. Step 3: Cross multiply
    8,146.28x = 11,241.21 × 4,742.77
  4. Step 4: Simplify right side
    8,146.28x = 53,314,473.55
  5. Step 5: Solve for x
    x = 53,314,473.55/8,146.28
  6. Step 6: Final answer
    x = 6,544.64

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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.