Home / 4,812.38-7,219.17-1,349.63

Finding the Fourth Proportional to 4,812.38, 7,219.17 and 1,349.63

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Solution

The fourth proportional to 4,812.38, 7,219.17 and 1,349.63 is: 2,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.38 : 7,219.17 = 1,349.63 : x
  2. Step 2: Convert to fraction form
    4,812.38/7,219.17 = 1,349.63/x
  3. Step 3: Cross multiply
    4,812.38x = 7,219.17 × 1,349.63
  4. Step 4: Simplify right side
    4,812.38x = 9,743,172.31
  5. Step 5: Solve for x
    x = 9,743,172.31/4,812.38
  6. Step 6: Final answer
    x = 2,024.61

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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.