Home / 7,015.45-10,515.78-2,334.21

Finding the Fourth Proportional to 7,015.45, 10,515.78 and 2,334.21

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Solution

The fourth proportional to 7,015.45, 10,515.78 and 2,334.21 is: 3,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.45 : 10,515.78 = 2,334.21 : x
  2. Step 2: Convert to fraction form
    7,015.45/10,515.78 = 2,334.21/x
  3. Step 3: Cross multiply
    7,015.45x = 10,515.78 × 2,334.21
  4. Step 4: Simplify right side
    7,015.45x = 24,546,027.16
  5. Step 5: Solve for x
    x = 24,546,027.16/7,015.45
  6. Step 6: Final answer
    x = 3,498.85

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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.