Home / 7,925.49-11,889.14-2,082.21

Finding the Fourth Proportional to 7,925.49, 11,889.14 and 2,082.21

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Solution

The fourth proportional to 7,925.49, 11,889.14 and 2,082.21 is: 3,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.49 : 11,889.14 = 2,082.21 : x
  2. Step 2: Convert to fraction form
    7,925.49/11,889.14 = 2,082.21/x
  3. Step 3: Cross multiply
    7,925.49x = 11,889.14 × 2,082.21
  4. Step 4: Simplify right side
    7,925.49x = 24,755,675.79
  5. Step 5: Solve for x
    x = 24,755,675.79/7,925.49
  6. Step 6: Final answer
    x = 3,123.55

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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.