Home / 4,451.21-6,678.03-1,331.36

Finding the Fourth Proportional to 4,451.21, 6,678.03 and 1,331.36

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Solution

The fourth proportional to 4,451.21, 6,678.03 and 1,331.36 is: 1,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.21 : 6,678.03 = 1,331.36 : x
  2. Step 2: Convert to fraction form
    4,451.21/6,678.03 = 1,331.36/x
  3. Step 3: Cross multiply
    4,451.21x = 6,678.03 × 1,331.36
  4. Step 4: Simplify right side
    4,451.21x = 8,890,862.02
  5. Step 5: Solve for x
    x = 8,890,862.02/4,451.21
  6. Step 6: Final answer
    x = 1,997.40

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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.