Home / 6,126.21-9,186.46-1,965.28

Finding the Fourth Proportional to 6,126.21, 9,186.46 and 1,965.28

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Solution

The fourth proportional to 6,126.21, 9,186.46 and 1,965.28 is: 2,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.21 : 9,186.46 = 1,965.28 : x
  2. Step 2: Convert to fraction form
    6,126.21/9,186.46 = 1,965.28/x
  3. Step 3: Cross multiply
    6,126.21x = 9,186.46 × 1,965.28
  4. Step 4: Simplify right side
    6,126.21x = 18,053,966.11
  5. Step 5: Solve for x
    x = 18,053,966.11/6,126.21
  6. Step 6: Final answer
    x = 2,947.00

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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.