Home / 7,389.96-11,082.78-3,006.60

Finding the Fourth Proportional to 7,389.96, 11,082.78 and 3,006.60

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Solution

The fourth proportional to 7,389.96, 11,082.78 and 3,006.60 is: 4,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.96 : 11,082.78 = 3,006.60 : x
  2. Step 2: Convert to fraction form
    7,389.96/11,082.78 = 3,006.60/x
  3. Step 3: Cross multiply
    7,389.96x = 11,082.78 × 3,006.60
  4. Step 4: Simplify right side
    7,389.96x = 33,321,486.35
  5. Step 5: Solve for x
    x = 33,321,486.35/7,389.96
  6. Step 6: Final answer
    x = 4,509.02

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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.