Home / 7,055.78-10,583.66-3,167.78

Finding the Fourth Proportional to 7,055.78, 10,583.66 and 3,167.78

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Solution

The fourth proportional to 7,055.78, 10,583.66 and 3,167.78 is: 4,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.78 : 10,583.66 = 3,167.78 : x
  2. Step 2: Convert to fraction form
    7,055.78/10,583.66 = 3,167.78/x
  3. Step 3: Cross multiply
    7,055.78x = 10,583.66 × 3,167.78
  4. Step 4: Simplify right side
    7,055.78x = 33,526,661.48
  5. Step 5: Solve for x
    x = 33,526,661.48/7,055.78
  6. Step 6: Final answer
    x = 4,751.66

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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.