Home / 7,410.34-11,114.70-2,215

Finding the Fourth Proportional to 7,410.34, 11,114.70 and 2,215

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Solution

The fourth proportional to 7,410.34, 11,114.70 and 2,215 is: 3,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.34 : 11,114.70 = 2,215 : x
  2. Step 2: Convert to fraction form
    7,410.34/11,114.70 = 2,215/x
  3. Step 3: Cross multiply
    7,410.34x = 11,114.70 × 2,215
  4. Step 4: Simplify right side
    7,410.34x = 24,619,060.50
  5. Step 5: Solve for x
    x = 24,619,060.50/7,410.34
  6. Step 6: Final answer
    x = 3,322.26

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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.