Home / 6,811.58-9,400.32-3,828.35

Finding the Fourth Proportional to 6,811.58, 9,400.32 and 3,828.35

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Solution

The fourth proportional to 6,811.58, 9,400.32 and 3,828.35 is: 5,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.58 : 9,400.32 = 3,828.35 : x
  2. Step 2: Convert to fraction form
    6,811.58/9,400.32 = 3,828.35/x
  3. Step 3: Cross multiply
    6,811.58x = 9,400.32 × 3,828.35
  4. Step 4: Simplify right side
    6,811.58x = 35,987,715.07
  5. Step 5: Solve for x
    x = 35,987,715.07/6,811.58
  6. Step 6: Final answer
    x = 5,283.31

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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.