Home / 4,785.63-6,601.41-2,989.99

Finding the Fourth Proportional to 4,785.63, 6,601.41 and 2,989.99

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Solution

The fourth proportional to 4,785.63, 6,601.41 and 2,989.99 is: 4,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.63 : 6,601.41 = 2,989.99 : x
  2. Step 2: Convert to fraction form
    4,785.63/6,601.41 = 2,989.99/x
  3. Step 3: Cross multiply
    4,785.63x = 6,601.41 × 2,989.99
  4. Step 4: Simplify right side
    4,785.63x = 19,738,149.89
  5. Step 5: Solve for x
    x = 19,738,149.89/4,785.63
  6. Step 6: Final answer
    x = 4,124.47

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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.