Home / 6,686.04-9,227.58-3,891.54

Finding the Fourth Proportional to 6,686.04, 9,227.58 and 3,891.54

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Solution

The fourth proportional to 6,686.04, 9,227.58 and 3,891.54 is: 5,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.04 : 9,227.58 = 3,891.54 : x
  2. Step 2: Convert to fraction form
    6,686.04/9,227.58 = 3,891.54/x
  3. Step 3: Cross multiply
    6,686.04x = 9,227.58 × 3,891.54
  4. Step 4: Simplify right side
    6,686.04x = 35,909,496.67
  5. Step 5: Solve for x
    x = 35,909,496.67/6,686.04
  6. Step 6: Final answer
    x = 5,370.82

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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.