Home / 4,427.16-6,640.72-1,830.28

Finding the Fourth Proportional to 4,427.16, 6,640.72 and 1,830.28

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Solution

The fourth proportional to 4,427.16, 6,640.72 and 1,830.28 is: 2,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.16 : 6,640.72 = 1,830.28 : x
  2. Step 2: Convert to fraction form
    4,427.16/6,640.72 = 1,830.28/x
  3. Step 3: Cross multiply
    4,427.16x = 6,640.72 × 1,830.28
  4. Step 4: Simplify right side
    4,427.16x = 12,154,377.00
  5. Step 5: Solve for x
    x = 12,154,377.00/4,427.16
  6. Step 6: Final answer
    x = 2,745.41

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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.