Home / 7,012.48-10,520.58-2,082.16

Finding the Fourth Proportional to 7,012.48, 10,520.58 and 2,082.16

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Solution

The fourth proportional to 7,012.48, 10,520.58 and 2,082.16 is: 3,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.48 : 10,520.58 = 2,082.16 : x
  2. Step 2: Convert to fraction form
    7,012.48/10,520.58 = 2,082.16/x
  3. Step 3: Cross multiply
    7,012.48x = 10,520.58 × 2,082.16
  4. Step 4: Simplify right side
    7,012.48x = 21,905,530.85
  5. Step 5: Solve for x
    x = 21,905,530.85/7,012.48
  6. Step 6: Final answer
    x = 3,123.79

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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.