Home / 7,485.42-11,228.00-3,102.87

Finding the Fourth Proportional to 7,485.42, 11,228.00 and 3,102.87

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Solution

The fourth proportional to 7,485.42, 11,228.00 and 3,102.87 is: 4,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.42 : 11,228.00 = 3,102.87 : x
  2. Step 2: Convert to fraction form
    7,485.42/11,228.00 = 3,102.87/x
  3. Step 3: Cross multiply
    7,485.42x = 11,228.00 × 3,102.87
  4. Step 4: Simplify right side
    7,485.42x = 34,839,008.85
  5. Step 5: Solve for x
    x = 34,839,008.85/7,485.42
  6. Step 6: Final answer
    x = 4,654.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.