Home / 4,812.80-7,217.57-1,349.24

Finding the Fourth Proportional to 4,812.80, 7,217.57 and 1,349.24

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Solution

The fourth proportional to 4,812.80, 7,217.57 and 1,349.24 is: 2,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.80 : 7,217.57 = 1,349.24 : x
  2. Step 2: Convert to fraction form
    4,812.80/7,217.57 = 1,349.24/x
  3. Step 3: Cross multiply
    4,812.80x = 7,217.57 × 1,349.24
  4. Step 4: Simplify right side
    4,812.80x = 9,738,201.43
  5. Step 5: Solve for x
    x = 9,738,201.43/4,812.80
  6. Step 6: Final answer
    x = 2,023.40

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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.