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Finding the Fourth Proportional to 7,041.95, 9,717.76 and 3,855.17

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Solution

The fourth proportional to 7,041.95, 9,717.76 and 3,855.17 is: 5,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.95 : 9,717.76 = 3,855.17 : x
  2. Step 2: Convert to fraction form
    7,041.95/9,717.76 = 3,855.17/x
  3. Step 3: Cross multiply
    7,041.95x = 9,717.76 × 3,855.17
  4. Step 4: Simplify right side
    7,041.95x = 37,463,616.82
  5. Step 5: Solve for x
    x = 37,463,616.82/7,041.95
  6. Step 6: Final answer
    x = 5,320.06

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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.