Home / 5,028.40-7,542.33-1,330.75

Finding the Fourth Proportional to 5,028.40, 7,542.33 and 1,330.75

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Solution

The fourth proportional to 5,028.40, 7,542.33 and 1,330.75 is: 1,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.40 : 7,542.33 = 1,330.75 : x
  2. Step 2: Convert to fraction form
    5,028.40/7,542.33 = 1,330.75/x
  3. Step 3: Cross multiply
    5,028.40x = 7,542.33 × 1,330.75
  4. Step 4: Simplify right side
    5,028.40x = 10,036,955.65
  5. Step 5: Solve for x
    x = 10,036,955.65/5,028.40
  6. Step 6: Final answer
    x = 1,996.05

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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.