Home / 4,082.32-6,120.72-1,308.16

Finding the Fourth Proportional to 4,082.32, 6,120.72 and 1,308.16

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Solution

The fourth proportional to 4,082.32, 6,120.72 and 1,308.16 is: 1,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.32 : 6,120.72 = 1,308.16 : x
  2. Step 2: Convert to fraction form
    4,082.32/6,120.72 = 1,308.16/x
  3. Step 3: Cross multiply
    4,082.32x = 6,120.72 × 1,308.16
  4. Step 4: Simplify right side
    4,082.32x = 8,006,881.08
  5. Step 5: Solve for x
    x = 8,006,881.08/4,082.32
  6. Step 6: Final answer
    x = 1,961.36

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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.