Home / 7,409.09-11,113.92-3,247.04

Finding the Fourth Proportional to 7,409.09, 11,113.92 and 3,247.04

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Solution

The fourth proportional to 7,409.09, 11,113.92 and 3,247.04 is: 4,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.09 : 11,113.92 = 3,247.04 : x
  2. Step 2: Convert to fraction form
    7,409.09/11,113.92 = 3,247.04/x
  3. Step 3: Cross multiply
    7,409.09x = 11,113.92 × 3,247.04
  4. Step 4: Simplify right side
    7,409.09x = 36,087,287.23
  5. Step 5: Solve for x
    x = 36,087,287.23/7,409.09
  6. Step 6: Final answer
    x = 4,870.68

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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.