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Finding the Fourth Proportional to 5,772.84, 7,966.55 and 3,120.24

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Solution

The fourth proportional to 5,772.84, 7,966.55 and 3,120.24 is: 4,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.84 : 7,966.55 = 3,120.24 : x
  2. Step 2: Convert to fraction form
    5,772.84/7,966.55 = 3,120.24/x
  3. Step 3: Cross multiply
    5,772.84x = 7,966.55 × 3,120.24
  4. Step 4: Simplify right side
    5,772.84x = 24,857,547.97
  5. Step 5: Solve for x
    x = 24,857,547.97/5,772.84
  6. Step 6: Final answer
    x = 4,305.95

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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.