Home / 6,628.51-9,941.64-2,186.20

Finding the Fourth Proportional to 6,628.51, 9,941.64 and 2,186.20

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Solution

The fourth proportional to 6,628.51, 9,941.64 and 2,186.20 is: 3,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.51 : 9,941.64 = 2,186.20 : x
  2. Step 2: Convert to fraction form
    6,628.51/9,941.64 = 2,186.20/x
  3. Step 3: Cross multiply
    6,628.51x = 9,941.64 × 2,186.20
  4. Step 4: Simplify right side
    6,628.51x = 21,734,413.37
  5. Step 5: Solve for x
    x = 21,734,413.37/6,628.51
  6. Step 6: Final answer
    x = 3,278.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.