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Finding the Fourth Proportional to 6,702.55, 9,249.93 and 3,870.45

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Solution

The fourth proportional to 6,702.55, 9,249.93 and 3,870.45 is: 5,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.55 : 9,249.93 = 3,870.45 : x
  2. Step 2: Convert to fraction form
    6,702.55/9,249.93 = 3,870.45/x
  3. Step 3: Cross multiply
    6,702.55x = 9,249.93 × 3,870.45
  4. Step 4: Simplify right side
    6,702.55x = 35,801,391.57
  5. Step 5: Solve for x
    x = 35,801,391.57/6,702.55
  6. Step 6: Final answer
    x = 5,341.46

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