Home / 7,082.55-10,619.20-3,962.90

Finding the Fourth Proportional to 7,082.55, 10,619.20 and 3,962.90

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Solution

The fourth proportional to 7,082.55, 10,619.20 and 3,962.90 is: 5,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.55 : 10,619.20 = 3,962.90 : x
  2. Step 2: Convert to fraction form
    7,082.55/10,619.20 = 3,962.90/x
  3. Step 3: Cross multiply
    7,082.55x = 10,619.20 × 3,962.90
  4. Step 4: Simplify right side
    7,082.55x = 42,082,859.18
  5. Step 5: Solve for x
    x = 42,082,859.18/7,082.55
  6. Step 6: Final answer
    x = 5,941.77

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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.