Home / 5,405.15-7,455.75-4,144.16

Finding the Fourth Proportional to 5,405.15, 7,455.75 and 4,144.16

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Solution

The fourth proportional to 5,405.15, 7,455.75 and 4,144.16 is: 5,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.15 : 7,455.75 = 4,144.16 : x
  2. Step 2: Convert to fraction form
    5,405.15/7,455.75 = 4,144.16/x
  3. Step 3: Cross multiply
    5,405.15x = 7,455.75 × 4,144.16
  4. Step 4: Simplify right side
    5,405.15x = 30,897,820.92
  5. Step 5: Solve for x
    x = 30,897,820.92/5,405.15
  6. Step 6: Final answer
    x = 5,716.37

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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.