Home / 5,614.95-8,422.43-1,719.35

Finding the Fourth Proportional to 5,614.95, 8,422.43 and 1,719.35

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Solution

The fourth proportional to 5,614.95, 8,422.43 and 1,719.35 is: 2,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.95 : 8,422.43 = 1,719.35 : x
  2. Step 2: Convert to fraction form
    5,614.95/8,422.43 = 1,719.35/x
  3. Step 3: Cross multiply
    5,614.95x = 8,422.43 × 1,719.35
  4. Step 4: Simplify right side
    5,614.95x = 14,481,119.26
  5. Step 5: Solve for x
    x = 14,481,119.26/5,614.95
  6. Step 6: Final answer
    x = 2,579.03

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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.