Home / 4,821.09-7,223.38-2,631.35

Finding the Fourth Proportional to 4,821.09, 7,223.38 and 2,631.35

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Solution

The fourth proportional to 4,821.09, 7,223.38 and 2,631.35 is: 3,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.09 : 7,223.38 = 2,631.35 : x
  2. Step 2: Convert to fraction form
    4,821.09/7,223.38 = 2,631.35/x
  3. Step 3: Cross multiply
    4,821.09x = 7,223.38 × 2,631.35
  4. Step 4: Simplify right side
    4,821.09x = 19,007,227.81
  5. Step 5: Solve for x
    x = 19,007,227.81/4,821.09
  6. Step 6: Final answer
    x = 3,942.52

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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.