Home / 5,529.82-7,631.07-3,291.67

Finding the Fourth Proportional to 5,529.82, 7,631.07 and 3,291.67

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Solution

The fourth proportional to 5,529.82, 7,631.07 and 3,291.67 is: 4,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.82 : 7,631.07 = 3,291.67 : x
  2. Step 2: Convert to fraction form
    5,529.82/7,631.07 = 3,291.67/x
  3. Step 3: Cross multiply
    5,529.82x = 7,631.07 × 3,291.67
  4. Step 4: Simplify right side
    5,529.82x = 25,118,964.19
  5. Step 5: Solve for x
    x = 25,118,964.19/5,529.82
  6. Step 6: Final answer
    x = 4,542.46

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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.