Home / 6,825.17-9,419.55-4,172.96

Finding the Fourth Proportional to 6,825.17, 9,419.55 and 4,172.96

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Solution

The fourth proportional to 6,825.17, 9,419.55 and 4,172.96 is: 5,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.17 : 9,419.55 = 4,172.96 : x
  2. Step 2: Convert to fraction form
    6,825.17/9,419.55 = 4,172.96/x
  3. Step 3: Cross multiply
    6,825.17x = 9,419.55 × 4,172.96
  4. Step 4: Simplify right side
    6,825.17x = 39,307,405.37
  5. Step 5: Solve for x
    x = 39,307,405.37/6,825.17
  6. Step 6: Final answer
    x = 5,759.18

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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.