Home / 4,638.36-6,400.86-2,648.82

Finding the Fourth Proportional to 4,638.36, 6,400.86 and 2,648.82

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Solution

The fourth proportional to 4,638.36, 6,400.86 and 2,648.82 is: 3,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.36 : 6,400.86 = 2,648.82 : x
  2. Step 2: Convert to fraction form
    4,638.36/6,400.86 = 2,648.82/x
  3. Step 3: Cross multiply
    4,638.36x = 6,400.86 × 2,648.82
  4. Step 4: Simplify right side
    4,638.36x = 16,954,725.99
  5. Step 5: Solve for x
    x = 16,954,725.99/4,638.36
  6. Step 6: Final answer
    x = 3,655.33

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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.