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Finding the Fourth Proportional to 6,989.96, 10,485.60 and 2,310

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Solution

The fourth proportional to 6,989.96, 10,485.60 and 2,310 is: 3,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.96 : 10,485.60 = 2,310 : x
  2. Step 2: Convert to fraction form
    6,989.96/10,485.60 = 2,310/x
  3. Step 3: Cross multiply
    6,989.96x = 10,485.60 × 2,310
  4. Step 4: Simplify right side
    6,989.96x = 24,221,736
  5. Step 5: Solve for x
    x = 24,221,736/6,989.96
  6. Step 6: Final answer
    x = 3,465.22

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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.