Home / 4,389.89-6,583.91-1,615.83

Finding the Fourth Proportional to 4,389.89, 6,583.91 and 1,615.83

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Solution

The fourth proportional to 4,389.89, 6,583.91 and 1,615.83 is: 2,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.89 : 6,583.91 = 1,615.83 : x
  2. Step 2: Convert to fraction form
    4,389.89/6,583.91 = 1,615.83/x
  3. Step 3: Cross multiply
    4,389.89x = 6,583.91 × 1,615.83
  4. Step 4: Simplify right side
    4,389.89x = 10,638,471.22
  5. Step 5: Solve for x
    x = 10,638,471.22/4,389.89
  6. Step 6: Final answer
    x = 2,423.41

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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.