Home / 7,813.29-10,771.11-5,571.27

Finding the Fourth Proportional to 7,813.29, 10,771.11 and 5,571.27

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Solution

The fourth proportional to 7,813.29, 10,771.11 and 5,571.27 is: 7,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.29 : 10,771.11 = 5,571.27 : x
  2. Step 2: Convert to fraction form
    7,813.29/10,771.11 = 5,571.27/x
  3. Step 3: Cross multiply
    7,813.29x = 10,771.11 × 5,571.27
  4. Step 4: Simplify right side
    7,813.29x = 60,008,762.01
  5. Step 5: Solve for x
    x = 60,008,762.01/7,813.29
  6. Step 6: Final answer
    x = 7,680.34

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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.