Home / 4,060.80-6,090.36-1,392.48

Finding the Fourth Proportional to 4,060.80, 6,090.36 and 1,392.48

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Solution

The fourth proportional to 4,060.80, 6,090.36 and 1,392.48 is: 2,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.80 : 6,090.36 = 1,392.48 : x
  2. Step 2: Convert to fraction form
    4,060.80/6,090.36 = 1,392.48/x
  3. Step 3: Cross multiply
    4,060.80x = 6,090.36 × 1,392.48
  4. Step 4: Simplify right side
    4,060.80x = 8,480,704.49
  5. Step 5: Solve for x
    x = 8,480,704.49/4,060.80
  6. Step 6: Final answer
    x = 2,088.43

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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.