Home / 10,779.08-16,169.63-2,881.44

Finding the Fourth Proportional to 10,779.08, 16,169.63 and 2,881.44

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Solution

The fourth proportional to 10,779.08, 16,169.63 and 2,881.44 is: 4,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.08 : 16,169.63 = 2,881.44 : x
  2. Step 2: Convert to fraction form
    10,779.08/16,169.63 = 2,881.44/x
  3. Step 3: Cross multiply
    10,779.08x = 16,169.63 × 2,881.44
  4. Step 4: Simplify right side
    10,779.08x = 46,591,804.26
  5. Step 5: Solve for x
    x = 46,591,804.26/10,779.08
  6. Step 6: Final answer
    x = 4,322.43

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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.