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Finding the Fourth Proportional to 4,603.92, 6,905.88 and 1,830.40

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Solution

The fourth proportional to 4,603.92, 6,905.88 and 1,830.40 is: 2,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.92 : 6,905.88 = 1,830.40 : x
  2. Step 2: Convert to fraction form
    4,603.92/6,905.88 = 1,830.40/x
  3. Step 3: Cross multiply
    4,603.92x = 6,905.88 × 1,830.40
  4. Step 4: Simplify right side
    4,603.92x = 12,640,522.75
  5. Step 5: Solve for x
    x = 12,640,522.75/4,603.92
  6. Step 6: Final answer
    x = 2,745.60

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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.