Home / 6,779.02-9,355.97-4,090.37

Finding the Fourth Proportional to 6,779.02, 9,355.97 and 4,090.37

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Solution

The fourth proportional to 6,779.02, 9,355.97 and 4,090.37 is: 5,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.02 : 9,355.97 = 4,090.37 : x
  2. Step 2: Convert to fraction form
    6,779.02/9,355.97 = 4,090.37/x
  3. Step 3: Cross multiply
    6,779.02x = 9,355.97 × 4,090.37
  4. Step 4: Simplify right side
    6,779.02x = 38,269,430.02
  5. Step 5: Solve for x
    x = 38,269,430.02/6,779.02
  6. Step 6: Final answer
    x = 5,645.28

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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.