Home / 7,380.08-11,066.47-3,218.28

Finding the Fourth Proportional to 7,380.08, 11,066.47 and 3,218.28

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Solution

The fourth proportional to 7,380.08, 11,066.47 and 3,218.28 is: 4,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.08 : 11,066.47 = 3,218.28 : x
  2. Step 2: Convert to fraction form
    7,380.08/11,066.47 = 3,218.28/x
  3. Step 3: Cross multiply
    7,380.08x = 11,066.47 × 3,218.28
  4. Step 4: Simplify right side
    7,380.08x = 35,615,029.88
  5. Step 5: Solve for x
    x = 35,615,029.88/7,380.08
  6. Step 6: Final answer
    x = 4,825.83

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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.