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Finding the Fourth Proportional to 7,168.69, 9,896.12 and 4,782.63

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Solution

The fourth proportional to 7,168.69, 9,896.12 and 4,782.63 is: 6,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.69 : 9,896.12 = 4,782.63 : x
  2. Step 2: Convert to fraction form
    7,168.69/9,896.12 = 4,782.63/x
  3. Step 3: Cross multiply
    7,168.69x = 9,896.12 × 4,782.63
  4. Step 4: Simplify right side
    7,168.69x = 47,329,480.40
  5. Step 5: Solve for x
    x = 47,329,480.40/7,168.69
  6. Step 6: Final answer
    x = 6,602.25

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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.