Home / 5,623.29-8,435.84-2,114.51

Finding the Fourth Proportional to 5,623.29, 8,435.84 and 2,114.51

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Solution

The fourth proportional to 5,623.29, 8,435.84 and 2,114.51 is: 3,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.29 : 8,435.84 = 2,114.51 : x
  2. Step 2: Convert to fraction form
    5,623.29/8,435.84 = 2,114.51/x
  3. Step 3: Cross multiply
    5,623.29x = 8,435.84 × 2,114.51
  4. Step 4: Simplify right side
    5,623.29x = 17,837,615.29
  5. Step 5: Solve for x
    x = 17,837,615.29/5,623.29
  6. Step 6: Final answer
    x = 3,172.10

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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.