Home / 4,629.18-6,388.44-2,640.06

Finding the Fourth Proportional to 4,629.18, 6,388.44 and 2,640.06

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Solution

The fourth proportional to 4,629.18, 6,388.44 and 2,640.06 is: 3,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.18 : 6,388.44 = 2,640.06 : x
  2. Step 2: Convert to fraction form
    4,629.18/6,388.44 = 2,640.06/x
  3. Step 3: Cross multiply
    4,629.18x = 6,388.44 × 2,640.06
  4. Step 4: Simplify right side
    4,629.18x = 16,865,864.91
  5. Step 5: Solve for x
    x = 16,865,864.91/4,629.18
  6. Step 6: Final answer
    x = 3,643.38

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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.