Home / 6,779.90-10,169.98-1,850.06

Finding the Fourth Proportional to 6,779.90, 10,169.98 and 1,850.06

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Solution

The fourth proportional to 6,779.90, 10,169.98 and 1,850.06 is: 2,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.90 : 10,169.98 = 1,850.06 : x
  2. Step 2: Convert to fraction form
    6,779.90/10,169.98 = 1,850.06/x
  3. Step 3: Cross multiply
    6,779.90x = 10,169.98 × 1,850.06
  4. Step 4: Simplify right side
    6,779.90x = 18,815,073.20
  5. Step 5: Solve for x
    x = 18,815,073.20/6,779.90
  6. Step 6: Final answer
    x = 2,775.13

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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.