Home / 4,420.46-6,642.83-4,131.49

Finding the Fourth Proportional to 4,420.46, 6,642.83 and 4,131.49

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Solution

The fourth proportional to 4,420.46, 6,642.83 and 4,131.49 is: 6,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.46 : 6,642.83 = 4,131.49 : x
  2. Step 2: Convert to fraction form
    4,420.46/6,642.83 = 4,131.49/x
  3. Step 3: Cross multiply
    4,420.46x = 6,642.83 × 4,131.49
  4. Step 4: Simplify right side
    4,420.46x = 27,444,779.44
  5. Step 5: Solve for x
    x = 27,444,779.44/4,420.46
  6. Step 6: Final answer
    x = 6,208.59

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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.