Home / 4,629.23-6,388.50-2,639.76

Finding the Fourth Proportional to 4,629.23, 6,388.50 and 2,639.76

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Solution

The fourth proportional to 4,629.23, 6,388.50 and 2,639.76 is: 3,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.23 : 6,388.50 = 2,639.76 : x
  2. Step 2: Convert to fraction form
    4,629.23/6,388.50 = 2,639.76/x
  3. Step 3: Cross multiply
    4,629.23x = 6,388.50 × 2,639.76
  4. Step 4: Simplify right side
    4,629.23x = 16,864,106.76
  5. Step 5: Solve for x
    x = 16,864,106.76/4,629.23
  6. Step 6: Final answer
    x = 3,642.97

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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.