Home / 4,093.80-6,140.55-1,172.10

Finding the Fourth Proportional to 4,093.80, 6,140.55 and 1,172.10

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Solution

The fourth proportional to 4,093.80, 6,140.55 and 1,172.10 is: 1,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.80 : 6,140.55 = 1,172.10 : x
  2. Step 2: Convert to fraction form
    4,093.80/6,140.55 = 1,172.10/x
  3. Step 3: Cross multiply
    4,093.80x = 6,140.55 × 1,172.10
  4. Step 4: Simplify right side
    4,093.80x = 7,197,338.66
  5. Step 5: Solve for x
    x = 7,197,338.66/4,093.80
  6. Step 6: Final answer
    x = 1,758.11

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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.