Home / 4,090.56-6,136.80-1,168.79

Finding the Fourth Proportional to 4,090.56, 6,136.80 and 1,168.79

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Solution

The fourth proportional to 4,090.56, 6,136.80 and 1,168.79 is: 1,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.56 : 6,136.80 = 1,168.79 : x
  2. Step 2: Convert to fraction form
    4,090.56/6,136.80 = 1,168.79/x
  3. Step 3: Cross multiply
    4,090.56x = 6,136.80 × 1,168.79
  4. Step 4: Simplify right side
    4,090.56x = 7,172,630.47
  5. Step 5: Solve for x
    x = 7,172,630.47/4,090.56
  6. Step 6: Final answer
    x = 1,753.46

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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.