Home / 4,190.26-5,779.32-3,070.78

Finding the Fourth Proportional to 4,190.26, 5,779.32 and 3,070.78

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Solution

The fourth proportional to 4,190.26, 5,779.32 and 3,070.78 is: 4,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.26 : 5,779.32 = 3,070.78 : x
  2. Step 2: Convert to fraction form
    4,190.26/5,779.32 = 3,070.78/x
  3. Step 3: Cross multiply
    4,190.26x = 5,779.32 × 3,070.78
  4. Step 4: Simplify right side
    4,190.26x = 17,747,020.27
  5. Step 5: Solve for x
    x = 17,747,020.27/4,190.26
  6. Step 6: Final answer
    x = 4,235.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.