Home / 6,126.45-9,189.73-1,743.91

Finding the Fourth Proportional to 6,126.45, 9,189.73 and 1,743.91

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Solution

The fourth proportional to 6,126.45, 9,189.73 and 1,743.91 is: 2,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.45 : 9,189.73 = 1,743.91 : x
  2. Step 2: Convert to fraction form
    6,126.45/9,189.73 = 1,743.91/x
  3. Step 3: Cross multiply
    6,126.45x = 9,189.73 × 1,743.91
  4. Step 4: Simplify right side
    6,126.45x = 16,026,016.10
  5. Step 5: Solve for x
    x = 16,026,016.10/6,126.45
  6. Step 6: Final answer
    x = 2,615.87

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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.