Home / 5,443.75-8,165.67-1,339.75

Finding the Fourth Proportional to 5,443.75, 8,165.67 and 1,339.75

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Solution

The fourth proportional to 5,443.75, 8,165.67 and 1,339.75 is: 2,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.75 : 8,165.67 = 1,339.75 : x
  2. Step 2: Convert to fraction form
    5,443.75/8,165.67 = 1,339.75/x
  3. Step 3: Cross multiply
    5,443.75x = 8,165.67 × 1,339.75
  4. Step 4: Simplify right side
    5,443.75x = 10,939,949.68
  5. Step 5: Solve for x
    x = 10,939,949.68/5,443.75
  6. Step 6: Final answer
    x = 2,009.63

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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.