Home / 4,189.31-6,283.91-1,026.78

Finding the Fourth Proportional to 4,189.31, 6,283.91 and 1,026.78

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Solution

The fourth proportional to 4,189.31, 6,283.91 and 1,026.78 is: 1,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.31 : 6,283.91 = 1,026.78 : x
  2. Step 2: Convert to fraction form
    4,189.31/6,283.91 = 1,026.78/x
  3. Step 3: Cross multiply
    4,189.31x = 6,283.91 × 1,026.78
  4. Step 4: Simplify right side
    4,189.31x = 6,452,187.98
  5. Step 5: Solve for x
    x = 6,452,187.98/4,189.31
  6. Step 6: Final answer
    x = 1,540.16

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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.