Home / 7,661.12-11,492.24-2,470.72

Finding the Fourth Proportional to 7,661.12, 11,492.24 and 2,470.72

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Solution

The fourth proportional to 7,661.12, 11,492.24 and 2,470.72 is: 3,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.12 : 11,492.24 = 2,470.72 : x
  2. Step 2: Convert to fraction form
    7,661.12/11,492.24 = 2,470.72/x
  3. Step 3: Cross multiply
    7,661.12x = 11,492.24 × 2,470.72
  4. Step 4: Simplify right side
    7,661.12x = 28,394,107.21
  5. Step 5: Solve for x
    x = 28,394,107.21/7,661.12
  6. Step 6: Final answer
    x = 3,706.26

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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.