Home / 7,379.67-11,012.43-6,591.18

Finding the Fourth Proportional to 7,379.67, 11,012.43 and 6,591.18

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Solution

The fourth proportional to 7,379.67, 11,012.43 and 6,591.18 is: 9,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.67 : 11,012.43 = 6,591.18 : x
  2. Step 2: Convert to fraction form
    7,379.67/11,012.43 = 6,591.18/x
  3. Step 3: Cross multiply
    7,379.67x = 11,012.43 × 6,591.18
  4. Step 4: Simplify right side
    7,379.67x = 72,584,908.37
  5. Step 5: Solve for x
    x = 72,584,908.37/7,379.67
  6. Step 6: Final answer
    x = 9,835.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.