Home / 4,630.23-6,389.77-2,640.91

Finding the Fourth Proportional to 4,630.23, 6,389.77 and 2,640.91

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Solution

The fourth proportional to 4,630.23, 6,389.77 and 2,640.91 is: 3,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.23 : 6,389.77 = 2,640.91 : x
  2. Step 2: Convert to fraction form
    4,630.23/6,389.77 = 2,640.91/x
  3. Step 3: Cross multiply
    4,630.23x = 6,389.77 × 2,640.91
  4. Step 4: Simplify right side
    4,630.23x = 16,874,775.54
  5. Step 5: Solve for x
    x = 16,874,775.54/4,630.23
  6. Step 6: Final answer
    x = 3,644.48

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1.5x scale

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.