Home / 7,388.27-11,082.32-2,123.40

Finding the Fourth Proportional to 7,388.27, 11,082.32 and 2,123.40

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Solution

The fourth proportional to 7,388.27, 11,082.32 and 2,123.40 is: 3,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.27 : 11,082.32 = 2,123.40 : x
  2. Step 2: Convert to fraction form
    7,388.27/11,082.32 = 2,123.40/x
  3. Step 3: Cross multiply
    7,388.27x = 11,082.32 × 2,123.40
  4. Step 4: Simplify right side
    7,388.27x = 23,532,187.67
  5. Step 5: Solve for x
    x = 23,532,187.67/7,388.27
  6. Step 6: Final answer
    x = 3,185.08

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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.