Home / 5,009.82-7,515.62-1,722.18

Finding the Fourth Proportional to 5,009.82, 7,515.62 and 1,722.18

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Solution

The fourth proportional to 5,009.82, 7,515.62 and 1,722.18 is: 2,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.82 : 7,515.62 = 1,722.18 : x
  2. Step 2: Convert to fraction form
    5,009.82/7,515.62 = 1,722.18/x
  3. Step 3: Cross multiply
    5,009.82x = 7,515.62 × 1,722.18
  4. Step 4: Simplify right side
    5,009.82x = 12,943,250.45
  5. Step 5: Solve for x
    x = 12,943,250.45/5,009.82
  6. Step 6: Final answer
    x = 2,583.58

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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.