Home / 6,779.80-10,164.23-3,854.08

Finding the Fourth Proportional to 6,779.80, 10,164.23 and 3,854.08

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Solution

The fourth proportional to 6,779.80, 10,164.23 and 3,854.08 is: 5,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.80 : 10,164.23 = 3,854.08 : x
  2. Step 2: Convert to fraction form
    6,779.80/10,164.23 = 3,854.08/x
  3. Step 3: Cross multiply
    6,779.80x = 10,164.23 × 3,854.08
  4. Step 4: Simplify right side
    6,779.80x = 39,173,710.88
  5. Step 5: Solve for x
    x = 39,173,710.88/6,779.80
  6. Step 6: Final answer
    x = 5,778.01

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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.