Home / 4,389.78-6,583.69-1,269.10

Finding the Fourth Proportional to 4,389.78, 6,583.69 and 1,269.10

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Solution

The fourth proportional to 4,389.78, 6,583.69 and 1,269.10 is: 1,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.78 : 6,583.69 = 1,269.10 : x
  2. Step 2: Convert to fraction form
    4,389.78/6,583.69 = 1,269.10/x
  3. Step 3: Cross multiply
    4,389.78x = 6,583.69 × 1,269.10
  4. Step 4: Simplify right side
    4,389.78x = 8,355,370.79
  5. Step 5: Solve for x
    x = 8,355,370.79/4,389.78
  6. Step 6: Final answer
    x = 1,903.37

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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.