Home / 7,232.78-10,855.33-5,157.88

Finding the Fourth Proportional to 7,232.78, 10,855.33 and 5,157.88

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Solution

The fourth proportional to 7,232.78, 10,855.33 and 5,157.88 is: 7,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.78 : 10,855.33 = 5,157.88 : x
  2. Step 2: Convert to fraction form
    7,232.78/10,855.33 = 5,157.88/x
  3. Step 3: Cross multiply
    7,232.78x = 10,855.33 × 5,157.88
  4. Step 4: Simplify right side
    7,232.78x = 55,990,449.47
  5. Step 5: Solve for x
    x = 55,990,449.47/7,232.78
  6. Step 6: Final answer
    x = 7,741.20

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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.