Home / 6,735.12-9,290.52-3,940.08

Finding the Fourth Proportional to 6,735.12, 9,290.52 and 3,940.08

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Solution

The fourth proportional to 6,735.12, 9,290.52 and 3,940.08 is: 5,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,735.12 : 9,290.52 = 3,940.08 : x
  2. Step 2: Convert to fraction form
    6,735.12/9,290.52 = 3,940.08/x
  3. Step 3: Cross multiply
    6,735.12x = 9,290.52 × 3,940.08
  4. Step 4: Simplify right side
    6,735.12x = 36,605,392.04
  5. Step 5: Solve for x
    x = 36,605,392.04/6,735.12
  6. Step 6: Final answer
    x = 5,435.00

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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.