Home / 5,424.30-7,485.59-3,186.20

Finding the Fourth Proportional to 5,424.30, 7,485.59 and 3,186.20

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Solution

The fourth proportional to 5,424.30, 7,485.59 and 3,186.20 is: 4,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.30 : 7,485.59 = 3,186.20 : x
  2. Step 2: Convert to fraction form
    5,424.30/7,485.59 = 3,186.20/x
  3. Step 3: Cross multiply
    5,424.30x = 7,485.59 × 3,186.20
  4. Step 4: Simplify right side
    5,424.30x = 23,850,533.50
  5. Step 5: Solve for x
    x = 23,850,533.50/5,424.30
  6. Step 6: Final answer
    x = 4,396.98

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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.