Home / 7,082.34-10,621.64-3,185.84

Finding the Fourth Proportional to 7,082.34, 10,621.64 and 3,185.84

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Solution

The fourth proportional to 7,082.34, 10,621.64 and 3,185.84 is: 4,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.34 : 10,621.64 = 3,185.84 : x
  2. Step 2: Convert to fraction form
    7,082.34/10,621.64 = 3,185.84/x
  3. Step 3: Cross multiply
    7,082.34x = 10,621.64 × 3,185.84
  4. Step 4: Simplify right side
    7,082.34x = 33,838,845.58
  5. Step 5: Solve for x
    x = 33,838,845.58/7,082.34
  6. Step 6: Final answer
    x = 4,777.92

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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.