Home / 4,639.46-6,960.32-1,519.63

Finding the Fourth Proportional to 4,639.46, 6,960.32 and 1,519.63

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Solution

The fourth proportional to 4,639.46, 6,960.32 and 1,519.63 is: 2,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.46 : 6,960.32 = 1,519.63 : x
  2. Step 2: Convert to fraction form
    4,639.46/6,960.32 = 1,519.63/x
  3. Step 3: Cross multiply
    4,639.46x = 6,960.32 × 1,519.63
  4. Step 4: Simplify right side
    4,639.46x = 10,577,114.88
  5. Step 5: Solve for x
    x = 10,577,114.88/4,639.46
  6. Step 6: Final answer
    x = 2,279.82

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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.