Home / 7,313.51-10,956.48-3,611.40

Finding the Fourth Proportional to 7,313.51, 10,956.48 and 3,611.40

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Solution

The fourth proportional to 7,313.51, 10,956.48 and 3,611.40 is: 5,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.51 : 10,956.48 = 3,611.40 : x
  2. Step 2: Convert to fraction form
    7,313.51/10,956.48 = 3,611.40/x
  3. Step 3: Cross multiply
    7,313.51x = 10,956.48 × 3,611.40
  4. Step 4: Simplify right side
    7,313.51x = 39,568,231.87
  5. Step 5: Solve for x
    x = 39,568,231.87/7,313.51
  6. Step 6: Final answer
    x = 5,410.30

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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.