Home / 4,060.86-6,090.78-1,139.37

Finding the Fourth Proportional to 4,060.86, 6,090.78 and 1,139.37

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Solution

The fourth proportional to 4,060.86, 6,090.78 and 1,139.37 is: 1,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.86 : 6,090.78 = 1,139.37 : x
  2. Step 2: Convert to fraction form
    4,060.86/6,090.78 = 1,139.37/x
  3. Step 3: Cross multiply
    4,060.86x = 6,090.78 × 1,139.37
  4. Step 4: Simplify right side
    4,060.86x = 6,939,652.01
  5. Step 5: Solve for x
    x = 6,939,652.01/4,060.86
  6. Step 6: Final answer
    x = 1,708.91

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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.