Home / 5,082.76-7,011.86-3,313.72

Finding the Fourth Proportional to 5,082.76, 7,011.86 and 3,313.72

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Solution

The fourth proportional to 5,082.76, 7,011.86 and 3,313.72 is: 4,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.76 : 7,011.86 = 3,313.72 : x
  2. Step 2: Convert to fraction form
    5,082.76/7,011.86 = 3,313.72/x
  3. Step 3: Cross multiply
    5,082.76x = 7,011.86 × 3,313.72
  4. Step 4: Simplify right side
    5,082.76x = 23,235,340.72
  5. Step 5: Solve for x
    x = 23,235,340.72/5,082.76
  6. Step 6: Final answer
    x = 4,571.40

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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.