Home / 4,629.44-6,389.15-2,640.49

Finding the Fourth Proportional to 4,629.44, 6,389.15 and 2,640.49

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Solution

The fourth proportional to 4,629.44, 6,389.15 and 2,640.49 is: 3,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.44 : 6,389.15 = 2,640.49 : x
  2. Step 2: Convert to fraction form
    4,629.44/6,389.15 = 2,640.49/x
  3. Step 3: Cross multiply
    4,629.44x = 6,389.15 × 2,640.49
  4. Step 4: Simplify right side
    4,629.44x = 16,870,457.51
  5. Step 5: Solve for x
    x = 16,870,457.51/4,629.44
  6. Step 6: Final answer
    x = 3,644.17

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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.