Home / 8,817.42-12,167.26-5,039.84

Finding the Fourth Proportional to 8,817.42, 12,167.26 and 5,039.84

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Solution

The fourth proportional to 8,817.42, 12,167.26 and 5,039.84 is: 6,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.42 : 12,167.26 = 5,039.84 : x
  2. Step 2: Convert to fraction form
    8,817.42/12,167.26 = 5,039.84/x
  3. Step 3: Cross multiply
    8,817.42x = 12,167.26 × 5,039.84
  4. Step 4: Simplify right side
    8,817.42x = 61,321,043.64
  5. Step 5: Solve for x
    x = 61,321,043.64/8,817.42
  6. Step 6: Final answer
    x = 6,954.53

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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.