Home / 6,782.15-9,360.37-4,129.07

Finding the Fourth Proportional to 6,782.15, 9,360.37 and 4,129.07

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Solution

The fourth proportional to 6,782.15, 9,360.37 and 4,129.07 is: 5,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.15 : 9,360.37 = 4,129.07 : x
  2. Step 2: Convert to fraction form
    6,782.15/9,360.37 = 4,129.07/x
  3. Step 3: Cross multiply
    6,782.15x = 9,360.37 × 4,129.07
  4. Step 4: Simplify right side
    6,782.15x = 38,649,622.96
  5. Step 5: Solve for x
    x = 38,649,622.96/6,782.15
  6. Step 6: Final answer
    x = 5,698.73

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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.