Home / 4,086.12-6,126.54-1,747.65

Finding the Fourth Proportional to 4,086.12, 6,126.54 and 1,747.65

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Solution

The fourth proportional to 4,086.12, 6,126.54 and 1,747.65 is: 2,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.12 : 6,126.54 = 1,747.65 : x
  2. Step 2: Convert to fraction form
    4,086.12/6,126.54 = 1,747.65/x
  3. Step 3: Cross multiply
    4,086.12x = 6,126.54 × 1,747.65
  4. Step 4: Simplify right side
    4,086.12x = 10,707,047.63
  5. Step 5: Solve for x
    x = 10,707,047.63/4,086.12
  6. Step 6: Final answer
    x = 2,620.35

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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.