Home / 6,400.69-9,600.53-2,240.26

Finding the Fourth Proportional to 6,400.69, 9,600.53 and 2,240.26

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Solution

The fourth proportional to 6,400.69, 9,600.53 and 2,240.26 is: 3,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.69 : 9,600.53 = 2,240.26 : x
  2. Step 2: Convert to fraction form
    6,400.69/9,600.53 = 2,240.26/x
  3. Step 3: Cross multiply
    6,400.69x = 9,600.53 × 2,240.26
  4. Step 4: Simplify right side
    6,400.69x = 21,507,648.14
  5. Step 5: Solve for x
    x = 21,507,648.14/6,400.69
  6. Step 6: Final answer
    x = 3,360.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.