Home / 6,928.85-9,561.38-3,785.04

Finding the Fourth Proportional to 6,928.85, 9,561.38 and 3,785.04

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Solution

The fourth proportional to 6,928.85, 9,561.38 and 3,785.04 is: 5,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.85 : 9,561.38 = 3,785.04 : x
  2. Step 2: Convert to fraction form
    6,928.85/9,561.38 = 3,785.04/x
  3. Step 3: Cross multiply
    6,928.85x = 9,561.38 × 3,785.04
  4. Step 4: Simplify right side
    6,928.85x = 36,190,186.83
  5. Step 5: Solve for x
    x = 36,190,186.83/6,928.85
  6. Step 6: Final answer
    x = 5,223.11

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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.