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Finding the Fourth Proportional to 8,743.40, 12,064.44 and 5,760.44

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Solution

The fourth proportional to 8,743.40, 12,064.44 and 5,760.44 is: 7,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.40 : 12,064.44 = 5,760.44 : x
  2. Step 2: Convert to fraction form
    8,743.40/12,064.44 = 5,760.44/x
  3. Step 3: Cross multiply
    8,743.40x = 12,064.44 × 5,760.44
  4. Step 4: Simplify right side
    8,743.40x = 69,496,482.75
  5. Step 5: Solve for x
    x = 69,496,482.75/8,743.40
  6. Step 6: Final answer
    x = 7,948.45

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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.