Home / 7,400.38-11,100.27-4,111.37

Finding the Fourth Proportional to 7,400.38, 11,100.27 and 4,111.37

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Solution

The fourth proportional to 7,400.38, 11,100.27 and 4,111.37 is: 6,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.38 : 11,100.27 = 4,111.37 : x
  2. Step 2: Convert to fraction form
    7,400.38/11,100.27 = 4,111.37/x
  3. Step 3: Cross multiply
    7,400.38x = 11,100.27 × 4,111.37
  4. Step 4: Simplify right side
    7,400.38x = 45,637,346.36
  5. Step 5: Solve for x
    x = 45,637,346.36/7,400.38
  6. Step 6: Final answer
    x = 6,166.89

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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.