Home / 6,440.20-9,645.30-6,262.84

Finding the Fourth Proportional to 6,440.20, 9,645.30 and 6,262.84

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Solution

The fourth proportional to 6,440.20, 9,645.30 and 6,262.84 is: 9,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.20 : 9,645.30 = 6,262.84 : x
  2. Step 2: Convert to fraction form
    6,440.20/9,645.30 = 6,262.84/x
  3. Step 3: Cross multiply
    6,440.20x = 9,645.30 × 6,262.84
  4. Step 4: Simplify right side
    6,440.20x = 60,406,970.65
  5. Step 5: Solve for x
    x = 60,406,970.65/6,440.20
  6. Step 6: Final answer
    x = 9,379.67

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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.