Home / 4,476.82-6,708.39-1,878.34

Finding the Fourth Proportional to 4,476.82, 6,708.39 and 1,878.34

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Solution

The fourth proportional to 4,476.82, 6,708.39 and 1,878.34 is: 2,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.82 : 6,708.39 = 1,878.34 : x
  2. Step 2: Convert to fraction form
    4,476.82/6,708.39 = 1,878.34/x
  3. Step 3: Cross multiply
    4,476.82x = 6,708.39 × 1,878.34
  4. Step 4: Simplify right side
    4,476.82x = 12,600,637.27
  5. Step 5: Solve for x
    x = 12,600,637.27/4,476.82
  6. Step 6: Final answer
    x = 2,814.64

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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.