Home / 4,092.32-6,139.32-1,318.16

Finding the Fourth Proportional to 4,092.32, 6,139.32 and 1,318.16

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Solution

The fourth proportional to 4,092.32, 6,139.32 and 1,318.16 is: 1,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.32 : 6,139.32 = 1,318.16 : x
  2. Step 2: Convert to fraction form
    4,092.32/6,139.32 = 1,318.16/x
  3. Step 3: Cross multiply
    4,092.32x = 6,139.32 × 1,318.16
  4. Step 4: Simplify right side
    4,092.32x = 8,092,606.05
  5. Step 5: Solve for x
    x = 8,092,606.05/4,092.32
  6. Step 6: Final answer
    x = 1,977.51

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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.