Home / 4,269.92-5,889.65-2,779.79

Finding the Fourth Proportional to 4,269.92, 5,889.65 and 2,779.79

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Solution

The fourth proportional to 4,269.92, 5,889.65 and 2,779.79 is: 3,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.92 : 5,889.65 = 2,779.79 : x
  2. Step 2: Convert to fraction form
    4,269.92/5,889.65 = 2,779.79/x
  3. Step 3: Cross multiply
    4,269.92x = 5,889.65 × 2,779.79
  4. Step 4: Simplify right side
    4,269.92x = 16,371,946.83
  5. Step 5: Solve for x
    x = 16,371,946.83/4,269.92
  6. Step 6: Final answer
    x = 3,834.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.