Home / 4,640.82-6,405.36-3,630.51

Finding the Fourth Proportional to 4,640.82, 6,405.36 and 3,630.51

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Solution

The fourth proportional to 4,640.82, 6,405.36 and 3,630.51 is: 5,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.82 : 6,405.36 = 3,630.51 : x
  2. Step 2: Convert to fraction form
    4,640.82/6,405.36 = 3,630.51/x
  3. Step 3: Cross multiply
    4,640.82x = 6,405.36 × 3,630.51
  4. Step 4: Simplify right side
    4,640.82x = 23,254,723.53
  5. Step 5: Solve for x
    x = 23,254,723.53/4,640.82
  6. Step 6: Final answer
    x = 5,010.91

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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.