Home / 4,431.33-6,648.09-1,311.32

Finding the Fourth Proportional to 4,431.33, 6,648.09 and 1,311.32

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Solution

The fourth proportional to 4,431.33, 6,648.09 and 1,311.32 is: 1,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.33 : 6,648.09 = 1,311.32 : x
  2. Step 2: Convert to fraction form
    4,431.33/6,648.09 = 1,311.32/x
  3. Step 3: Cross multiply
    4,431.33x = 6,648.09 × 1,311.32
  4. Step 4: Simplify right side
    4,431.33x = 8,717,773.38
  5. Step 5: Solve for x
    x = 8,717,773.38/4,431.33
  6. Step 6: Final answer
    x = 1,967.30

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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.