Home / 6,239.80-9,359.61-1,857.28

Finding the Fourth Proportional to 6,239.80, 9,359.61 and 1,857.28

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Solution

The fourth proportional to 6,239.80, 9,359.61 and 1,857.28 is: 2,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.80 : 9,359.61 = 1,857.28 : x
  2. Step 2: Convert to fraction form
    6,239.80/9,359.61 = 1,857.28/x
  3. Step 3: Cross multiply
    6,239.80x = 9,359.61 × 1,857.28
  4. Step 4: Simplify right side
    6,239.80x = 17,383,416.46
  5. Step 5: Solve for x
    x = 17,383,416.46/6,239.80
  6. Step 6: Final answer
    x = 2,785.89

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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.