Home / 7,119.37-10,671.62-2,438

Finding the Fourth Proportional to 7,119.37, 10,671.62 and 2,438

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Solution

The fourth proportional to 7,119.37, 10,671.62 and 2,438 is: 3,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.37 : 10,671.62 = 2,438 : x
  2. Step 2: Convert to fraction form
    7,119.37/10,671.62 = 2,438/x
  3. Step 3: Cross multiply
    7,119.37x = 10,671.62 × 2,438
  4. Step 4: Simplify right side
    7,119.37x = 26,017,409.56
  5. Step 5: Solve for x
    x = 26,017,409.56/7,119.37
  6. Step 6: Final answer
    x = 3,654.45

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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.