Home / 7,015.18-10,519.68-2,629.56

Finding the Fourth Proportional to 7,015.18, 10,519.68 and 2,629.56

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Solution

The fourth proportional to 7,015.18, 10,519.68 and 2,629.56 is: 3,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.18 : 10,519.68 = 2,629.56 : x
  2. Step 2: Convert to fraction form
    7,015.18/10,519.68 = 2,629.56/x
  3. Step 3: Cross multiply
    7,015.18x = 10,519.68 × 2,629.56
  4. Step 4: Simplify right side
    7,015.18x = 27,662,129.74
  5. Step 5: Solve for x
    x = 27,662,129.74/7,015.18
  6. Step 6: Final answer
    x = 3,943.18

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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.