Home / 4,424.49-6,638.24-2,779.11

Finding the Fourth Proportional to 4,424.49, 6,638.24 and 2,779.11

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Solution

The fourth proportional to 4,424.49, 6,638.24 and 2,779.11 is: 4,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.49 : 6,638.24 = 2,779.11 : x
  2. Step 2: Convert to fraction form
    4,424.49/6,638.24 = 2,779.11/x
  3. Step 3: Cross multiply
    4,424.49x = 6,638.24 × 2,779.11
  4. Step 4: Simplify right side
    4,424.49x = 18,448,352.08
  5. Step 5: Solve for x
    x = 18,448,352.08/4,424.49
  6. Step 6: Final answer
    x = 4,169.60

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1.5x scale

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.