Home / 7,679.06-11,509.56-4,394.42

Finding the Fourth Proportional to 7,679.06, 11,509.56 and 4,394.42

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Solution

The fourth proportional to 7,679.06, 11,509.56 and 4,394.42 is: 6,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.06 : 11,509.56 = 4,394.42 : x
  2. Step 2: Convert to fraction form
    7,679.06/11,509.56 = 4,394.42/x
  3. Step 3: Cross multiply
    7,679.06x = 11,509.56 × 4,394.42
  4. Step 4: Simplify right side
    7,679.06x = 50,577,840.66
  5. Step 5: Solve for x
    x = 50,577,840.66/7,679.06
  6. Step 6: Final answer
    x = 6,586.46

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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.