Home / 4,160.28-6,239.82-1,238.16

Finding the Fourth Proportional to 4,160.28, 6,239.82 and 1,238.16

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Solution

The fourth proportional to 4,160.28, 6,239.82 and 1,238.16 is: 1,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.28 : 6,239.82 = 1,238.16 : x
  2. Step 2: Convert to fraction form
    4,160.28/6,239.82 = 1,238.16/x
  3. Step 3: Cross multiply
    4,160.28x = 6,239.82 × 1,238.16
  4. Step 4: Simplify right side
    4,160.28x = 7,725,895.53
  5. Step 5: Solve for x
    x = 7,725,895.53/4,160.28
  6. Step 6: Final answer
    x = 1,857.06

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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.