Home / 7,020.40-9,688.17-3,833.73

Finding the Fourth Proportional to 7,020.40, 9,688.17 and 3,833.73

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Solution

The fourth proportional to 7,020.40, 9,688.17 and 3,833.73 is: 5,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.40 : 9,688.17 = 3,833.73 : x
  2. Step 2: Convert to fraction form
    7,020.40/9,688.17 = 3,833.73/x
  3. Step 3: Cross multiply
    7,020.40x = 9,688.17 × 3,833.73
  4. Step 4: Simplify right side
    7,020.40x = 37,141,806.02
  5. Step 5: Solve for x
    x = 37,141,806.02/7,020.40
  6. Step 6: Final answer
    x = 5,290.55

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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.