Home / 4,126.56-5,690.37-2,869.03

Finding the Fourth Proportional to 4,126.56, 5,690.37 and 2,869.03

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Solution

The fourth proportional to 4,126.56, 5,690.37 and 2,869.03 is: 3,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.56 : 5,690.37 = 2,869.03 : x
  2. Step 2: Convert to fraction form
    4,126.56/5,690.37 = 2,869.03/x
  3. Step 3: Cross multiply
    4,126.56x = 5,690.37 × 2,869.03
  4. Step 4: Simplify right side
    4,126.56x = 16,325,842.24
  5. Step 5: Solve for x
    x = 16,325,842.24/4,126.56
  6. Step 6: Final answer
    x = 3,956.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.