Home / 8,422.51-12,633.31-2,579.14

Finding the Fourth Proportional to 8,422.51, 12,633.31 and 2,579.14

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Solution

The fourth proportional to 8,422.51, 12,633.31 and 2,579.14 is: 3,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.51 : 12,633.31 = 2,579.14 : x
  2. Step 2: Convert to fraction form
    8,422.51/12,633.31 = 2,579.14/x
  3. Step 3: Cross multiply
    8,422.51x = 12,633.31 × 2,579.14
  4. Step 4: Simplify right side
    8,422.51x = 32,582,999.09
  5. Step 5: Solve for x
    x = 32,582,999.09/8,422.51
  6. Step 6: Final answer
    x = 3,868.56

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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.