Home / 4,227.90-6,343.48-1,762.06

Finding the Fourth Proportional to 4,227.90, 6,343.48 and 1,762.06

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Solution

The fourth proportional to 4,227.90, 6,343.48 and 1,762.06 is: 2,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.90 : 6,343.48 = 1,762.06 : x
  2. Step 2: Convert to fraction form
    4,227.90/6,343.48 = 1,762.06/x
  3. Step 3: Cross multiply
    4,227.90x = 6,343.48 × 1,762.06
  4. Step 4: Simplify right side
    4,227.90x = 11,177,592.37
  5. Step 5: Solve for x
    x = 11,177,592.37/4,227.90
  6. Step 6: Final answer
    x = 2,643.77

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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.