Home / 7,779.41-11,669.12-1,936.02

Finding the Fourth Proportional to 7,779.41, 11,669.12 and 1,936.02

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Solution

The fourth proportional to 7,779.41, 11,669.12 and 1,936.02 is: 2,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.41 : 11,669.12 = 1,936.02 : x
  2. Step 2: Convert to fraction form
    7,779.41/11,669.12 = 1,936.02/x
  3. Step 3: Cross multiply
    7,779.41x = 11,669.12 × 1,936.02
  4. Step 4: Simplify right side
    7,779.41x = 22,591,665.50
  5. Step 5: Solve for x
    x = 22,591,665.50/7,779.41
  6. Step 6: Final answer
    x = 2,904.03

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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.