Home / 4,491.08-6,197.28-3,312.80

Finding the Fourth Proportional to 4,491.08, 6,197.28 and 3,312.80

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Solution

The fourth proportional to 4,491.08, 6,197.28 and 3,312.80 is: 4,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.08 : 6,197.28 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    4,491.08/6,197.28 = 3,312.80/x
  3. Step 3: Cross multiply
    4,491.08x = 6,197.28 × 3,312.80
  4. Step 4: Simplify right side
    4,491.08x = 20,530,349.18
  5. Step 5: Solve for x
    x = 20,530,349.18/4,491.08
  6. Step 6: Final answer
    x = 4,571.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.