Home / 6,126.40-9,185.10-1,964.02

Finding the Fourth Proportional to 6,126.40, 9,185.10 and 1,964.02

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Solution

The fourth proportional to 6,126.40, 9,185.10 and 1,964.02 is: 2,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.40 : 9,185.10 = 1,964.02 : x
  2. Step 2: Convert to fraction form
    6,126.40/9,185.10 = 1,964.02/x
  3. Step 3: Cross multiply
    6,126.40x = 9,185.10 × 1,964.02
  4. Step 4: Simplify right side
    6,126.40x = 18,039,720.10
  5. Step 5: Solve for x
    x = 18,039,720.10/6,126.40
  6. Step 6: Final answer
    x = 2,944.59

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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.