Home / 7,623.72-11,438.04-2,429.64

Finding the Fourth Proportional to 7,623.72, 11,438.04 and 2,429.64

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Solution

The fourth proportional to 7,623.72, 11,438.04 and 2,429.64 is: 3,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.72 : 11,438.04 = 2,429.64 : x
  2. Step 2: Convert to fraction form
    7,623.72/11,438.04 = 2,429.64/x
  3. Step 3: Cross multiply
    7,623.72x = 11,438.04 × 2,429.64
  4. Step 4: Simplify right side
    7,623.72x = 27,790,319.51
  5. Step 5: Solve for x
    x = 27,790,319.51/7,623.72
  6. Step 6: Final answer
    x = 3,645.24

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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.