Home / 7,647.58-11,477.59-3,950.89

Finding the Fourth Proportional to 7,647.58, 11,477.59 and 3,950.89

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Solution

The fourth proportional to 7,647.58, 11,477.59 and 3,950.89 is: 5,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.58 : 11,477.59 = 3,950.89 : x
  2. Step 2: Convert to fraction form
    7,647.58/11,477.59 = 3,950.89/x
  3. Step 3: Cross multiply
    7,647.58x = 11,477.59 × 3,950.89
  4. Step 4: Simplify right side
    7,647.58x = 45,346,695.56
  5. Step 5: Solve for x
    x = 45,346,695.56/7,647.58
  6. Step 6: Final answer
    x = 5,929.55

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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.