Home / 5,298.80-7,311.04-3,174.67

Finding the Fourth Proportional to 5,298.80, 7,311.04 and 3,174.67

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Solution

The fourth proportional to 5,298.80, 7,311.04 and 3,174.67 is: 4,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.80 : 7,311.04 = 3,174.67 : x
  2. Step 2: Convert to fraction form
    5,298.80/7,311.04 = 3,174.67/x
  3. Step 3: Cross multiply
    5,298.80x = 7,311.04 × 3,174.67
  4. Step 4: Simplify right side
    5,298.80x = 23,210,140.56
  5. Step 5: Solve for x
    x = 23,210,140.56/5,298.80
  6. Step 6: Final answer
    x = 4,380.27

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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.