Home / 6,475.39-9,710.64-2,091.67

Finding the Fourth Proportional to 6,475.39, 9,710.64 and 2,091.67

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Solution

The fourth proportional to 6,475.39, 9,710.64 and 2,091.67 is: 3,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.39 : 9,710.64 = 2,091.67 : x
  2. Step 2: Convert to fraction form
    6,475.39/9,710.64 = 2,091.67/x
  3. Step 3: Cross multiply
    6,475.39x = 9,710.64 × 2,091.67
  4. Step 4: Simplify right side
    6,475.39x = 20,311,430.09
  5. Step 5: Solve for x
    x = 20,311,430.09/6,475.39
  6. Step 6: Final answer
    x = 3,136.71

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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.