Home / 4,812.60-7,218.90-3,488.28

Finding the Fourth Proportional to 4,812.60, 7,218.90 and 3,488.28

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Solution

The fourth proportional to 4,812.60, 7,218.90 and 3,488.28 is: 5,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.60 : 7,218.90 = 3,488.28 : x
  2. Step 2: Convert to fraction form
    4,812.60/7,218.90 = 3,488.28/x
  3. Step 3: Cross multiply
    4,812.60x = 7,218.90 × 3,488.28
  4. Step 4: Simplify right side
    4,812.60x = 25,181,544.49
  5. Step 5: Solve for x
    x = 25,181,544.49/4,812.60
  6. Step 6: Final answer
    x = 5,232.42

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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.