Home / 4,421-6,615.14-2,667.02

Finding the Fourth Proportional to 4,421, 6,615.14 and 2,667.02

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Solution

The fourth proportional to 4,421, 6,615.14 and 2,667.02 is: 3,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421 : 6,615.14 = 2,667.02 : x
  2. Step 2: Convert to fraction form
    4,421/6,615.14 = 2,667.02/x
  3. Step 3: Cross multiply
    4,421x = 6,615.14 × 2,667.02
  4. Step 4: Simplify right side
    4,421x = 17,642,710.68
  5. Step 5: Solve for x
    x = 17,642,710.68/4,421
  6. Step 6: Final answer
    x = 3,990.66

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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.