Home / 7,230.72-10,828.74-3,711.46

Finding the Fourth Proportional to 7,230.72, 10,828.74 and 3,711.46

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Solution

The fourth proportional to 7,230.72, 10,828.74 and 3,711.46 is: 5,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.72 : 10,828.74 = 3,711.46 : x
  2. Step 2: Convert to fraction form
    7,230.72/10,828.74 = 3,711.46/x
  3. Step 3: Cross multiply
    7,230.72x = 10,828.74 × 3,711.46
  4. Step 4: Simplify right side
    7,230.72x = 40,190,435.36
  5. Step 5: Solve for x
    x = 40,190,435.36/7,230.72
  6. Step 6: Final answer
    x = 5,558.29

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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.