Home / 4,639.92-6,960.16-1,520.26

Finding the Fourth Proportional to 4,639.92, 6,960.16 and 1,520.26

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Solution

The fourth proportional to 4,639.92, 6,960.16 and 1,520.26 is: 2,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.92 : 6,960.16 = 1,520.26 : x
  2. Step 2: Convert to fraction form
    4,639.92/6,960.16 = 1,520.26/x
  3. Step 3: Cross multiply
    4,639.92x = 6,960.16 × 1,520.26
  4. Step 4: Simplify right side
    4,639.92x = 10,581,252.84
  5. Step 5: Solve for x
    x = 10,581,252.84/4,639.92
  6. Step 6: Final answer
    x = 2,280.48

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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.