Home / 4,045.21-6,067.81-1,123.51

Finding the Fourth Proportional to 4,045.21, 6,067.81 and 1,123.51

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Solution

The fourth proportional to 4,045.21, 6,067.81 and 1,123.51 is: 1,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.21 : 6,067.81 = 1,123.51 : x
  2. Step 2: Convert to fraction form
    4,045.21/6,067.81 = 1,123.51/x
  3. Step 3: Cross multiply
    4,045.21x = 6,067.81 × 1,123.51
  4. Step 4: Simplify right side
    4,045.21x = 6,817,245.21
  5. Step 5: Solve for x
    x = 6,817,245.21/4,045.21
  6. Step 6: Final answer
    x = 1,685.27

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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.