Home / 4,263.06-6,396.40-1,665.40

Finding the Fourth Proportional to 4,263.06, 6,396.40 and 1,665.40

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Solution

The fourth proportional to 4,263.06, 6,396.40 and 1,665.40 is: 2,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.06 : 6,396.40 = 1,665.40 : x
  2. Step 2: Convert to fraction form
    4,263.06/6,396.40 = 1,665.40/x
  3. Step 3: Cross multiply
    4,263.06x = 6,396.40 × 1,665.40
  4. Step 4: Simplify right side
    4,263.06x = 10,652,564.56
  5. Step 5: Solve for x
    x = 10,652,564.56/4,263.06
  6. Step 6: Final answer
    x = 2,498.81

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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.