Home / 4,811.28-7,217.31-1,480.26

Finding the Fourth Proportional to 4,811.28, 7,217.31 and 1,480.26

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Solution

The fourth proportional to 4,811.28, 7,217.31 and 1,480.26 is: 2,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.28 : 7,217.31 = 1,480.26 : x
  2. Step 2: Convert to fraction form
    4,811.28/7,217.31 = 1,480.26/x
  3. Step 3: Cross multiply
    4,811.28x = 7,217.31 × 1,480.26
  4. Step 4: Simplify right side
    4,811.28x = 10,683,495.30
  5. Step 5: Solve for x
    x = 10,683,495.30/4,811.28
  6. Step 6: Final answer
    x = 2,220.51

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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.