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Finding the Fourth Proportional to 6,320.58, 8,720.37 and 3,525.54

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Solution

The fourth proportional to 6,320.58, 8,720.37 and 3,525.54 is: 4,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.58 : 8,720.37 = 3,525.54 : x
  2. Step 2: Convert to fraction form
    6,320.58/8,720.37 = 3,525.54/x
  3. Step 3: Cross multiply
    6,320.58x = 8,720.37 × 3,525.54
  4. Step 4: Simplify right side
    6,320.58x = 30,744,013.25
  5. Step 5: Solve for x
    x = 30,744,013.25/6,320.58
  6. Step 6: Final answer
    x = 4,864.11

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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.