Home / 7,125.09-10,687.73-4,661.07

Finding the Fourth Proportional to 7,125.09, 10,687.73 and 4,661.07

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Solution

The fourth proportional to 7,125.09, 10,687.73 and 4,661.07 is: 6,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.09 : 10,687.73 = 4,661.07 : x
  2. Step 2: Convert to fraction form
    7,125.09/10,687.73 = 4,661.07/x
  3. Step 3: Cross multiply
    7,125.09x = 10,687.73 × 4,661.07
  4. Step 4: Simplify right side
    7,125.09x = 49,816,257.67
  5. Step 5: Solve for x
    x = 49,816,257.67/7,125.09
  6. Step 6: Final answer
    x = 6,991.67

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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.