Home / 4,735.78-6,535.38-2,639.90

Finding the Fourth Proportional to 4,735.78, 6,535.38 and 2,639.90

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Solution

The fourth proportional to 4,735.78, 6,535.38 and 2,639.90 is: 3,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.78 : 6,535.38 = 2,639.90 : x
  2. Step 2: Convert to fraction form
    4,735.78/6,535.38 = 2,639.90/x
  3. Step 3: Cross multiply
    4,735.78x = 6,535.38 × 2,639.90
  4. Step 4: Simplify right side
    4,735.78x = 17,252,749.66
  5. Step 5: Solve for x
    x = 17,252,749.66/4,735.78
  6. Step 6: Final answer
    x = 3,643.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.