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Finding the Fourth Proportional to 8,248.70, 11,388.40 and 5,730.02

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Solution

The fourth proportional to 8,248.70, 11,388.40 and 5,730.02 is: 7,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.70 : 11,388.40 = 5,730.02 : x
  2. Step 2: Convert to fraction form
    8,248.70/11,388.40 = 5,730.02/x
  3. Step 3: Cross multiply
    8,248.70x = 11,388.40 × 5,730.02
  4. Step 4: Simplify right side
    8,248.70x = 65,255,759.77
  5. Step 5: Solve for x
    x = 65,255,759.77/8,248.70
  6. Step 6: Final answer
    x = 7,911.04

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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.