Home / 6,443.16-9,665.58-1,826.28

Finding the Fourth Proportional to 6,443.16, 9,665.58 and 1,826.28

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Solution

The fourth proportional to 6,443.16, 9,665.58 and 1,826.28 is: 2,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.16 : 9,665.58 = 1,826.28 : x
  2. Step 2: Convert to fraction form
    6,443.16/9,665.58 = 1,826.28/x
  3. Step 3: Cross multiply
    6,443.16x = 9,665.58 × 1,826.28
  4. Step 4: Simplify right side
    6,443.16x = 17,652,055.44
  5. Step 5: Solve for x
    x = 17,652,055.44/6,443.16
  6. Step 6: Final answer
    x = 2,739.66

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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.