Home / 5,419.26-8,080.64-5,408.93

Finding the Fourth Proportional to 5,419.26, 8,080.64 and 5,408.93

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Solution

The fourth proportional to 5,419.26, 8,080.64 and 5,408.93 is: 8,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.26 : 8,080.64 = 5,408.93 : x
  2. Step 2: Convert to fraction form
    5,419.26/8,080.64 = 5,408.93/x
  3. Step 3: Cross multiply
    5,419.26x = 8,080.64 × 5,408.93
  4. Step 4: Simplify right side
    5,419.26x = 43,707,548.67
  5. Step 5: Solve for x
    x = 43,707,548.67/5,419.26
  6. Step 6: Final answer
    x = 8,065.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.