Home / 7,769.14-10,721.39-4,232.38

Finding the Fourth Proportional to 7,769.14, 10,721.39 and 4,232.38

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Solution

The fourth proportional to 7,769.14, 10,721.39 and 4,232.38 is: 5,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.14 : 10,721.39 = 4,232.38 : x
  2. Step 2: Convert to fraction form
    7,769.14/10,721.39 = 4,232.38/x
  3. Step 3: Cross multiply
    7,769.14x = 10,721.39 × 4,232.38
  4. Step 4: Simplify right side
    7,769.14x = 45,376,943.00
  5. Step 5: Solve for x
    x = 45,376,943.00/7,769.14
  6. Step 6: Final answer
    x = 5,840.67

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1.5x scale

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.