Home / 7,784.26-11,669.84-3,622.15

Finding the Fourth Proportional to 7,784.26, 11,669.84 and 3,622.15

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Solution

The fourth proportional to 7,784.26, 11,669.84 and 3,622.15 is: 5,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.26 : 11,669.84 = 3,622.15 : x
  2. Step 2: Convert to fraction form
    7,784.26/11,669.84 = 3,622.15/x
  3. Step 3: Cross multiply
    7,784.26x = 11,669.84 × 3,622.15
  4. Step 4: Simplify right side
    7,784.26x = 42,269,834.50
  5. Step 5: Solve for x
    x = 42,269,834.50/7,784.26
  6. Step 6: Final answer
    x = 5,430.17

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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.