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Finding the Fourth Proportional to 7,484.70, 10,333.40 and 6,654.45

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Solution

The fourth proportional to 7,484.70, 10,333.40 and 6,654.45 is: 9,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.70 : 10,333.40 = 6,654.45 : x
  2. Step 2: Convert to fraction form
    7,484.70/10,333.40 = 6,654.45/x
  3. Step 3: Cross multiply
    7,484.70x = 10,333.40 × 6,654.45
  4. Step 4: Simplify right side
    7,484.70x = 68,763,060.36
  5. Step 5: Solve for x
    x = 68,763,060.36/7,484.70
  6. Step 6: Final answer
    x = 9,187.15

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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.