Home / 4,802.31-7,202.66-1,338.75

Finding the Fourth Proportional to 4,802.31, 7,202.66 and 1,338.75

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Solution

The fourth proportional to 4,802.31, 7,202.66 and 1,338.75 is: 2,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.31 : 7,202.66 = 1,338.75 : x
  2. Step 2: Convert to fraction form
    4,802.31/7,202.66 = 1,338.75/x
  3. Step 3: Cross multiply
    4,802.31x = 7,202.66 × 1,338.75
  4. Step 4: Simplify right side
    4,802.31x = 9,642,554.38
  5. Step 5: Solve for x
    x = 9,642,554.38/4,802.31
  6. Step 6: Final answer
    x = 2,007.90

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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.