Home / 7,172.19-10,752.78-4,055.73

Finding the Fourth Proportional to 7,172.19, 10,752.78 and 4,055.73

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Solution

The fourth proportional to 7,172.19, 10,752.78 and 4,055.73 is: 6,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.19 : 10,752.78 = 4,055.73 : x
  2. Step 2: Convert to fraction form
    7,172.19/10,752.78 = 4,055.73/x
  3. Step 3: Cross multiply
    7,172.19x = 10,752.78 × 4,055.73
  4. Step 4: Simplify right side
    7,172.19x = 43,610,372.43
  5. Step 5: Solve for x
    x = 43,610,372.43/7,172.19
  6. Step 6: Final answer
    x = 6,080.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.