Home / 6,930.08-9,563.68-3,786.40

Finding the Fourth Proportional to 6,930.08, 9,563.68 and 3,786.40

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Solution

The fourth proportional to 6,930.08, 9,563.68 and 3,786.40 is: 5,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.08 : 9,563.68 = 3,786.40 : x
  2. Step 2: Convert to fraction form
    6,930.08/9,563.68 = 3,786.40/x
  3. Step 3: Cross multiply
    6,930.08x = 9,563.68 × 3,786.40
  4. Step 4: Simplify right side
    6,930.08x = 36,211,917.95
  5. Step 5: Solve for x
    x = 36,211,917.95/6,930.08
  6. Step 6: Final answer
    x = 5,225.32

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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.