Home / 6,422.36-9,628.29-2,861.87

Finding the Fourth Proportional to 6,422.36, 9,628.29 and 2,861.87

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Solution

The fourth proportional to 6,422.36, 9,628.29 and 2,861.87 is: 4,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.36 : 9,628.29 = 2,861.87 : x
  2. Step 2: Convert to fraction form
    6,422.36/9,628.29 = 2,861.87/x
  3. Step 3: Cross multiply
    6,422.36x = 9,628.29 × 2,861.87
  4. Step 4: Simplify right side
    6,422.36x = 27,554,866.16
  5. Step 5: Solve for x
    x = 27,554,866.16/6,422.36
  6. Step 6: Final answer
    x = 4,290.46

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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.