Home / 5,313.59-7,966.97-2,540.21

Finding the Fourth Proportional to 5,313.59, 7,966.97 and 2,540.21

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Solution

The fourth proportional to 5,313.59, 7,966.97 and 2,540.21 is: 3,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.59 : 7,966.97 = 2,540.21 : x
  2. Step 2: Convert to fraction form
    5,313.59/7,966.97 = 2,540.21/x
  3. Step 3: Cross multiply
    5,313.59x = 7,966.97 × 2,540.21
  4. Step 4: Simplify right side
    5,313.59x = 20,237,748.14
  5. Step 5: Solve for x
    x = 20,237,748.14/5,313.59
  6. Step 6: Final answer
    x = 3,808.67

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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.