Home / 8,731.38-12,063.42-6,090.58

Finding the Fourth Proportional to 8,731.38, 12,063.42 and 6,090.58

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Solution

The fourth proportional to 8,731.38, 12,063.42 and 6,090.58 is: 8,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.38 : 12,063.42 = 6,090.58 : x
  2. Step 2: Convert to fraction form
    8,731.38/12,063.42 = 6,090.58/x
  3. Step 3: Cross multiply
    8,731.38x = 12,063.42 × 6,090.58
  4. Step 4: Simplify right side
    8,731.38x = 73,473,133.81
  5. Step 5: Solve for x
    x = 73,473,133.81/8,731.38
  6. Step 6: Final answer
    x = 8,414.84

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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.