Home / 7,709.01-10,638.54-4,351.88

Finding the Fourth Proportional to 7,709.01, 10,638.54 and 4,351.88

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Solution

The fourth proportional to 7,709.01, 10,638.54 and 4,351.88 is: 6,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.01 : 10,638.54 = 4,351.88 : x
  2. Step 2: Convert to fraction form
    7,709.01/10,638.54 = 4,351.88/x
  3. Step 3: Cross multiply
    7,709.01x = 10,638.54 × 4,351.88
  4. Step 4: Simplify right side
    7,709.01x = 46,297,596.26
  5. Step 5: Solve for x
    x = 46,297,596.26/7,709.01
  6. Step 6: Final answer
    x = 6,005.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.