Home / 4,812.88-7,219.74-1,350.16

Finding the Fourth Proportional to 4,812.88, 7,219.74 and 1,350.16

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Solution

The fourth proportional to 4,812.88, 7,219.74 and 1,350.16 is: 2,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.88 : 7,219.74 = 1,350.16 : x
  2. Step 2: Convert to fraction form
    4,812.88/7,219.74 = 1,350.16/x
  3. Step 3: Cross multiply
    4,812.88x = 7,219.74 × 1,350.16
  4. Step 4: Simplify right side
    4,812.88x = 9,747,804.16
  5. Step 5: Solve for x
    x = 9,747,804.16/4,812.88
  6. Step 6: Final answer
    x = 2,025.36

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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.