Home / 4,085.53-6,129.05-1,453.39

Finding the Fourth Proportional to 4,085.53, 6,129.05 and 1,453.39

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Solution

The fourth proportional to 4,085.53, 6,129.05 and 1,453.39 is: 2,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.53 : 6,129.05 = 1,453.39 : x
  2. Step 2: Convert to fraction form
    4,085.53/6,129.05 = 1,453.39/x
  3. Step 3: Cross multiply
    4,085.53x = 6,129.05 × 1,453.39
  4. Step 4: Simplify right side
    4,085.53x = 8,907,899.98
  5. Step 5: Solve for x
    x = 8,907,899.98/4,085.53
  6. Step 6: Final answer
    x = 2,180.35

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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.