Home / 7,617.85-10,512.52-4,260.64

Finding the Fourth Proportional to 7,617.85, 10,512.52 and 4,260.64

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Solution

The fourth proportional to 7,617.85, 10,512.52 and 4,260.64 is: 5,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.85 : 10,512.52 = 4,260.64 : x
  2. Step 2: Convert to fraction form
    7,617.85/10,512.52 = 4,260.64/x
  3. Step 3: Cross multiply
    7,617.85x = 10,512.52 × 4,260.64
  4. Step 4: Simplify right side
    7,617.85x = 44,790,063.21
  5. Step 5: Solve for x
    x = 44,790,063.21/7,617.85
  6. Step 6: Final answer
    x = 5,879.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.