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Finding the Fourth Proportional to 7,029.47, 9,700.73 and 3,885.66

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Solution

The fourth proportional to 7,029.47, 9,700.73 and 3,885.66 is: 5,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.47 : 9,700.73 = 3,885.66 : x
  2. Step 2: Convert to fraction form
    7,029.47/9,700.73 = 3,885.66/x
  3. Step 3: Cross multiply
    7,029.47x = 9,700.73 × 3,885.66
  4. Step 4: Simplify right side
    7,029.47x = 37,693,738.53
  5. Step 5: Solve for x
    x = 37,693,738.53/7,029.47
  6. Step 6: Final answer
    x = 5,362.24

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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.