Home / 5,549.29-8,323.86-1,389.28

Finding the Fourth Proportional to 5,549.29, 8,323.86 and 1,389.28

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Solution

The fourth proportional to 5,549.29, 8,323.86 and 1,389.28 is: 2,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.29 : 8,323.86 = 1,389.28 : x
  2. Step 2: Convert to fraction form
    5,549.29/8,323.86 = 1,389.28/x
  3. Step 3: Cross multiply
    5,549.29x = 8,323.86 × 1,389.28
  4. Step 4: Simplify right side
    5,549.29x = 11,564,172.22
  5. Step 5: Solve for x
    x = 11,564,172.22/5,549.29
  6. Step 6: Final answer
    x = 2,083.90

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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.