Home / 4,060.30-6,090.36-1,138.54

Finding the Fourth Proportional to 4,060.30, 6,090.36 and 1,138.54

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Solution

The fourth proportional to 4,060.30, 6,090.36 and 1,138.54 is: 1,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.30 : 6,090.36 = 1,138.54 : x
  2. Step 2: Convert to fraction form
    4,060.30/6,090.36 = 1,138.54/x
  3. Step 3: Cross multiply
    4,060.30x = 6,090.36 × 1,138.54
  4. Step 4: Simplify right side
    4,060.30x = 6,934,118.47
  5. Step 5: Solve for x
    x = 6,934,118.47/4,060.30
  6. Step 6: Final answer
    x = 1,707.78

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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.