Home / 7,225.30-10,832.68-4,879.49

Finding the Fourth Proportional to 7,225.30, 10,832.68 and 4,879.49

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Solution

The fourth proportional to 7,225.30, 10,832.68 and 4,879.49 is: 7,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.30 : 10,832.68 = 4,879.49 : x
  2. Step 2: Convert to fraction form
    7,225.30/10,832.68 = 4,879.49/x
  3. Step 3: Cross multiply
    7,225.30x = 10,832.68 × 4,879.49
  4. Step 4: Simplify right side
    7,225.30x = 52,857,905.67
  5. Step 5: Solve for x
    x = 52,857,905.67/7,225.30
  6. Step 6: Final answer
    x = 7,315.67

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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.