Home / 6,782.85-9,360.33-3,798.72

Finding the Fourth Proportional to 6,782.85, 9,360.33 and 3,798.72

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Solution

The fourth proportional to 6,782.85, 9,360.33 and 3,798.72 is: 5,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.85 : 9,360.33 = 3,798.72 : x
  2. Step 2: Convert to fraction form
    6,782.85/9,360.33 = 3,798.72/x
  3. Step 3: Cross multiply
    6,782.85x = 9,360.33 × 3,798.72
  4. Step 4: Simplify right side
    6,782.85x = 35,557,272.78
  5. Step 5: Solve for x
    x = 35,557,272.78/6,782.85
  6. Step 6: Final answer
    x = 5,242.23

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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.