Home / 4,090.07-6,105.45-3,785.51

Finding the Fourth Proportional to 4,090.07, 6,105.45 and 3,785.51

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Solution

The fourth proportional to 4,090.07, 6,105.45 and 3,785.51 is: 5,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.07 : 6,105.45 = 3,785.51 : x
  2. Step 2: Convert to fraction form
    4,090.07/6,105.45 = 3,785.51/x
  3. Step 3: Cross multiply
    4,090.07x = 6,105.45 × 3,785.51
  4. Step 4: Simplify right side
    4,090.07x = 23,112,211.50
  5. Step 5: Solve for x
    x = 23,112,211.50/4,090.07
  6. Step 6: Final answer
    x = 5,650.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.