Home / 7,120.92-10,682.88-2,440.56

Finding the Fourth Proportional to 7,120.92, 10,682.88 and 2,440.56

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Solution

The fourth proportional to 7,120.92, 10,682.88 and 2,440.56 is: 3,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.92 : 10,682.88 = 2,440.56 : x
  2. Step 2: Convert to fraction form
    7,120.92/10,682.88 = 2,440.56/x
  3. Step 3: Cross multiply
    7,120.92x = 10,682.88 × 2,440.56
  4. Step 4: Simplify right side
    7,120.92x = 26,072,209.61
  5. Step 5: Solve for x
    x = 26,072,209.61/7,120.92
  6. Step 6: Final answer
    x = 3,661.35

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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.