Home / 6,678.48-9,218.16-3,884.52

Finding the Fourth Proportional to 6,678.48, 9,218.16 and 3,884.52

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Solution

The fourth proportional to 6,678.48, 9,218.16 and 3,884.52 is: 5,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.48 : 9,218.16 = 3,884.52 : x
  2. Step 2: Convert to fraction form
    6,678.48/9,218.16 = 3,884.52/x
  3. Step 3: Cross multiply
    6,678.48x = 9,218.16 × 3,884.52
  4. Step 4: Simplify right side
    6,678.48x = 35,808,126.88
  5. Step 5: Solve for x
    x = 35,808,126.88/6,678.48
  6. Step 6: Final answer
    x = 5,361.72

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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.