Home / 6,975.36-9,625.77-3,831.35

Finding the Fourth Proportional to 6,975.36, 9,625.77 and 3,831.35

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Solution

The fourth proportional to 6,975.36, 9,625.77 and 3,831.35 is: 5,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.36 : 9,625.77 = 3,831.35 : x
  2. Step 2: Convert to fraction form
    6,975.36/9,625.77 = 3,831.35/x
  3. Step 3: Cross multiply
    6,975.36x = 9,625.77 × 3,831.35
  4. Step 4: Simplify right side
    6,975.36x = 36,879,645.76
  5. Step 5: Solve for x
    x = 36,879,645.76/6,975.36
  6. Step 6: Final answer
    x = 5,287.13

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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.