Home / 7,020.22-9,687.75-3,833.40

Finding the Fourth Proportional to 7,020.22, 9,687.75 and 3,833.40

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Solution

The fourth proportional to 7,020.22, 9,687.75 and 3,833.40 is: 5,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.22 : 9,687.75 = 3,833.40 : x
  2. Step 2: Convert to fraction form
    7,020.22/9,687.75 = 3,833.40/x
  3. Step 3: Cross multiply
    7,020.22x = 9,687.75 × 3,833.40
  4. Step 4: Simplify right side
    7,020.22x = 37,137,020.85
  5. Step 5: Solve for x
    x = 37,137,020.85/7,020.22
  6. Step 6: Final answer
    x = 5,290.01

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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.