Home / 4,487.92-6,730.26-1,891.06

Finding the Fourth Proportional to 4,487.92, 6,730.26 and 1,891.06

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Solution

The fourth proportional to 4,487.92, 6,730.26 and 1,891.06 is: 2,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.92 : 6,730.26 = 1,891.06 : x
  2. Step 2: Convert to fraction form
    4,487.92/6,730.26 = 1,891.06/x
  3. Step 3: Cross multiply
    4,487.92x = 6,730.26 × 1,891.06
  4. Step 4: Simplify right side
    4,487.92x = 12,727,325.48
  5. Step 5: Solve for x
    x = 12,727,325.48/4,487.92
  6. Step 6: Final answer
    x = 2,835.91

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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.