Home / 4,192.56-6,287.40-1,230.22

Finding the Fourth Proportional to 4,192.56, 6,287.40 and 1,230.22

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Solution

The fourth proportional to 4,192.56, 6,287.40 and 1,230.22 is: 1,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.56 : 6,287.40 = 1,230.22 : x
  2. Step 2: Convert to fraction form
    4,192.56/6,287.40 = 1,230.22/x
  3. Step 3: Cross multiply
    4,192.56x = 6,287.40 × 1,230.22
  4. Step 4: Simplify right side
    4,192.56x = 7,734,885.23
  5. Step 5: Solve for x
    x = 7,734,885.23/4,192.56
  6. Step 6: Final answer
    x = 1,844.91

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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.