Home / 7,679.28-10,593.24-5,157.12

Finding the Fourth Proportional to 7,679.28, 10,593.24 and 5,157.12

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Solution

The fourth proportional to 7,679.28, 10,593.24 and 5,157.12 is: 7,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.28 : 10,593.24 = 5,157.12 : x
  2. Step 2: Convert to fraction form
    7,679.28/10,593.24 = 5,157.12/x
  3. Step 3: Cross multiply
    7,679.28x = 10,593.24 × 5,157.12
  4. Step 4: Simplify right side
    7,679.28x = 54,630,609.87
  5. Step 5: Solve for x
    x = 54,630,609.87/7,679.28
  6. Step 6: Final answer
    x = 7,114.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.