Home / 7,824.72-10,795.08-5,173.68

Finding the Fourth Proportional to 7,824.72, 10,795.08 and 5,173.68

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Solution

The fourth proportional to 7,824.72, 10,795.08 and 5,173.68 is: 7,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.72 : 10,795.08 = 5,173.68 : x
  2. Step 2: Convert to fraction form
    7,824.72/10,795.08 = 5,173.68/x
  3. Step 3: Cross multiply
    7,824.72x = 10,795.08 × 5,173.68
  4. Step 4: Simplify right side
    7,824.72x = 55,850,289.49
  5. Step 5: Solve for x
    x = 55,850,289.49/7,824.72
  6. Step 6: Final answer
    x = 7,137.67

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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.