Home / 6,239.62-9,359.44-1,857.12

Finding the Fourth Proportional to 6,239.62, 9,359.44 and 1,857.12

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Solution

The fourth proportional to 6,239.62, 9,359.44 and 1,857.12 is: 2,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.62 : 9,359.44 = 1,857.12 : x
  2. Step 2: Convert to fraction form
    6,239.62/9,359.44 = 1,857.12/x
  3. Step 3: Cross multiply
    6,239.62x = 9,359.44 × 1,857.12
  4. Step 4: Simplify right side
    6,239.62x = 17,381,603.21
  5. Step 5: Solve for x
    x = 17,381,603.21/6,239.62
  6. Step 6: Final answer
    x = 2,785.68

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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.