Home / 5,614.26-8,419.20-1,664.40

Finding the Fourth Proportional to 5,614.26, 8,419.20 and 1,664.40

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Solution

The fourth proportional to 5,614.26, 8,419.20 and 1,664.40 is: 2,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.26 : 8,419.20 = 1,664.40 : x
  2. Step 2: Convert to fraction form
    5,614.26/8,419.20 = 1,664.40/x
  3. Step 3: Cross multiply
    5,614.26x = 8,419.20 × 1,664.40
  4. Step 4: Simplify right side
    5,614.26x = 14,012,916.48
  5. Step 5: Solve for x
    x = 14,012,916.48/5,614.26
  6. Step 6: Final answer
    x = 2,495.95

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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.