Home / 6,091.38-9,138.42-1,931.64

Finding the Fourth Proportional to 6,091.38, 9,138.42 and 1,931.64

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Solution

The fourth proportional to 6,091.38, 9,138.42 and 1,931.64 is: 2,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.38 : 9,138.42 = 1,931.64 : x
  2. Step 2: Convert to fraction form
    6,091.38/9,138.42 = 1,931.64/x
  3. Step 3: Cross multiply
    6,091.38x = 9,138.42 × 1,931.64
  4. Step 4: Simplify right side
    6,091.38x = 17,652,082.26
  5. Step 5: Solve for x
    x = 17,652,082.26/6,091.38
  6. Step 6: Final answer
    x = 2,897.88

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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.