Home / 7,642.85-11,464.29-3,257.51

Finding the Fourth Proportional to 7,642.85, 11,464.29 and 3,257.51

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Solution

The fourth proportional to 7,642.85, 11,464.29 and 3,257.51 is: 4,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.85 : 11,464.29 = 3,257.51 : x
  2. Step 2: Convert to fraction form
    7,642.85/11,464.29 = 3,257.51/x
  3. Step 3: Cross multiply
    7,642.85x = 11,464.29 × 3,257.51
  4. Step 4: Simplify right side
    7,642.85x = 37,344,982.00
  5. Step 5: Solve for x
    x = 37,344,982.00/7,642.85
  6. Step 6: Final answer
    x = 4,886.27

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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.