Home / 6,678.64-10,010.92-3,208.56

Finding the Fourth Proportional to 6,678.64, 10,010.92 and 3,208.56

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Solution

The fourth proportional to 6,678.64, 10,010.92 and 3,208.56 is: 4,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.64 : 10,010.92 = 3,208.56 : x
  2. Step 2: Convert to fraction form
    6,678.64/10,010.92 = 3,208.56/x
  3. Step 3: Cross multiply
    6,678.64x = 10,010.92 × 3,208.56
  4. Step 4: Simplify right side
    6,678.64x = 32,120,637.48
  5. Step 5: Solve for x
    x = 32,120,637.48/6,678.64
  6. Step 6: Final answer
    x = 4,809.46

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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.