Home / 4,328.28-6,491.88-1,729.26

Finding the Fourth Proportional to 4,328.28, 6,491.88 and 1,729.26

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Solution

The fourth proportional to 4,328.28, 6,491.88 and 1,729.26 is: 2,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.28 : 6,491.88 = 1,729.26 : x
  2. Step 2: Convert to fraction form
    4,328.28/6,491.88 = 1,729.26/x
  3. Step 3: Cross multiply
    4,328.28x = 6,491.88 × 1,729.26
  4. Step 4: Simplify right side
    4,328.28x = 11,226,148.41
  5. Step 5: Solve for x
    x = 11,226,148.41/4,328.28
  6. Step 6: Final answer
    x = 2,593.67

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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.