Home / 4,769.28-6,580.20-2,779.44

Finding the Fourth Proportional to 4,769.28, 6,580.20 and 2,779.44

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Solution

The fourth proportional to 4,769.28, 6,580.20 and 2,779.44 is: 3,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.28 : 6,580.20 = 2,779.44 : x
  2. Step 2: Convert to fraction form
    4,769.28/6,580.20 = 2,779.44/x
  3. Step 3: Cross multiply
    4,769.28x = 6,580.20 × 2,779.44
  4. Step 4: Simplify right side
    4,769.28x = 18,289,271.09
  5. Step 5: Solve for x
    x = 18,289,271.09/4,769.28
  6. Step 6: Final answer
    x = 3,834.81

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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.