Home / 7,474.95-11,207.97-3,090.02

Finding the Fourth Proportional to 7,474.95, 11,207.97 and 3,090.02

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Solution

The fourth proportional to 7,474.95, 11,207.97 and 3,090.02 is: 4,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.95 : 11,207.97 = 3,090.02 : x
  2. Step 2: Convert to fraction form
    7,474.95/11,207.97 = 3,090.02/x
  3. Step 3: Cross multiply
    7,474.95x = 11,207.97 × 3,090.02
  4. Step 4: Simplify right side
    7,474.95x = 34,632,795.42
  5. Step 5: Solve for x
    x = 34,632,795.42/7,474.95
  6. Step 6: Final answer
    x = 4,633.18

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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.