Home / 4,306.32-6,457.84-3,392.64

Finding the Fourth Proportional to 4,306.32, 6,457.84 and 3,392.64

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Solution

The fourth proportional to 4,306.32, 6,457.84 and 3,392.64 is: 5,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.32 : 6,457.84 = 3,392.64 : x
  2. Step 2: Convert to fraction form
    4,306.32/6,457.84 = 3,392.64/x
  3. Step 3: Cross multiply
    4,306.32x = 6,457.84 × 3,392.64
  4. Step 4: Simplify right side
    4,306.32x = 21,909,126.30
  5. Step 5: Solve for x
    x = 21,909,126.30/4,306.32
  6. Step 6: Final answer
    x = 5,087.67

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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.