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Finding the Fourth Proportional to 7,800.44, 10,765.24 and 4,443.40

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Solution

The fourth proportional to 7,800.44, 10,765.24 and 4,443.40 is: 6,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.44 : 10,765.24 = 4,443.40 : x
  2. Step 2: Convert to fraction form
    7,800.44/10,765.24 = 4,443.40/x
  3. Step 3: Cross multiply
    7,800.44x = 10,765.24 × 4,443.40
  4. Step 4: Simplify right side
    7,800.44x = 47,834,267.42
  5. Step 5: Solve for x
    x = 47,834,267.42/7,800.44
  6. Step 6: Final answer
    x = 6,132.25

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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.