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Finding the Fourth Proportional to 6,656.50, 9,984.75 and 1,792.50

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Solution

The fourth proportional to 6,656.50, 9,984.75 and 1,792.50 is: 2,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.50 : 9,984.75 = 1,792.50 : x
  2. Step 2: Convert to fraction form
    6,656.50/9,984.75 = 1,792.50/x
  3. Step 3: Cross multiply
    6,656.50x = 9,984.75 × 1,792.50
  4. Step 4: Simplify right side
    6,656.50x = 17,897,664.38
  5. Step 5: Solve for x
    x = 17,897,664.38/6,656.50
  6. Step 6: Final answer
    x = 2,688.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.