Home / 6,423.91-9,635.96-3,520.67

Finding the Fourth Proportional to 6,423.91, 9,635.96 and 3,520.67

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Solution

The fourth proportional to 6,423.91, 9,635.96 and 3,520.67 is: 5,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.91 : 9,635.96 = 3,520.67 : x
  2. Step 2: Convert to fraction form
    6,423.91/9,635.96 = 3,520.67/x
  3. Step 3: Cross multiply
    6,423.91x = 9,635.96 × 3,520.67
  4. Step 4: Simplify right side
    6,423.91x = 33,924,995.92
  5. Step 5: Solve for x
    x = 33,924,995.92/6,423.91
  6. Step 6: Final answer
    x = 5,281.05

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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.