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Finding the Fourth Proportional to 8,480.16, 11,702.40 and 4,701.96

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Solution

The fourth proportional to 8,480.16, 11,702.40 and 4,701.96 is: 6,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.16 : 11,702.40 = 4,701.96 : x
  2. Step 2: Convert to fraction form
    8,480.16/11,702.40 = 4,701.96/x
  3. Step 3: Cross multiply
    8,480.16x = 11,702.40 × 4,701.96
  4. Step 4: Simplify right side
    8,480.16x = 55,024,216.70
  5. Step 5: Solve for x
    x = 55,024,216.70/8,480.16
  6. Step 6: Final answer
    x = 6,488.58

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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.