Home / 7,456.70-11,185.07-3,560.20

Finding the Fourth Proportional to 7,456.70, 11,185.07 and 3,560.20

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Solution

The fourth proportional to 7,456.70, 11,185.07 and 3,560.20 is: 5,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.70 : 11,185.07 = 3,560.20 : x
  2. Step 2: Convert to fraction form
    7,456.70/11,185.07 = 3,560.20/x
  3. Step 3: Cross multiply
    7,456.70x = 11,185.07 × 3,560.20
  4. Step 4: Simplify right side
    7,456.70x = 39,821,040.45
  5. Step 5: Solve for x
    x = 39,821,040.45/7,456.70
  6. Step 6: Final answer
    x = 5,340.30

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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.