Home / 6,445.19-8,896.28-4,453.80

Finding the Fourth Proportional to 6,445.19, 8,896.28 and 4,453.80

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Solution

The fourth proportional to 6,445.19, 8,896.28 and 4,453.80 is: 6,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.19 : 8,896.28 = 4,453.80 : x
  2. Step 2: Convert to fraction form
    6,445.19/8,896.28 = 4,453.80/x
  3. Step 3: Cross multiply
    6,445.19x = 8,896.28 × 4,453.80
  4. Step 4: Simplify right side
    6,445.19x = 39,622,229.60
  5. Step 5: Solve for x
    x = 39,622,229.60/6,445.19
  6. Step 6: Final answer
    x = 6,147.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.