Home / 6,279.08-9,420.15-1,896.28

Finding the Fourth Proportional to 6,279.08, 9,420.15 and 1,896.28

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Solution

The fourth proportional to 6,279.08, 9,420.15 and 1,896.28 is: 2,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.08 : 9,420.15 = 1,896.28 : x
  2. Step 2: Convert to fraction form
    6,279.08/9,420.15 = 1,896.28/x
  3. Step 3: Cross multiply
    6,279.08x = 9,420.15 × 1,896.28
  4. Step 4: Simplify right side
    6,279.08x = 17,863,242.04
  5. Step 5: Solve for x
    x = 17,863,242.04/6,279.08
  6. Step 6: Final answer
    x = 2,844.88

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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.