Home / 4,640.75-6,404.37-2,545.01

Finding the Fourth Proportional to 4,640.75, 6,404.37 and 2,545.01

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Solution

The fourth proportional to 4,640.75, 6,404.37 and 2,545.01 is: 3,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.75 : 6,404.37 = 2,545.01 : x
  2. Step 2: Convert to fraction form
    4,640.75/6,404.37 = 2,545.01/x
  3. Step 3: Cross multiply
    4,640.75x = 6,404.37 × 2,545.01
  4. Step 4: Simplify right side
    4,640.75x = 16,299,185.69
  5. Step 5: Solve for x
    x = 16,299,185.69/4,640.75
  6. Step 6: Final answer
    x = 3,512.19

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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.