Home / 5,599.21-8,389.08-3,929.80

Finding the Fourth Proportional to 5,599.21, 8,389.08 and 3,929.80

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Solution

The fourth proportional to 5,599.21, 8,389.08 and 3,929.80 is: 5,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.21 : 8,389.08 = 3,929.80 : x
  2. Step 2: Convert to fraction form
    5,599.21/8,389.08 = 3,929.80/x
  3. Step 3: Cross multiply
    5,599.21x = 8,389.08 × 3,929.80
  4. Step 4: Simplify right side
    5,599.21x = 32,967,406.58
  5. Step 5: Solve for x
    x = 32,967,406.58/5,599.21
  6. Step 6: Final answer
    x = 5,887.87

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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.