Home / 4,491.46-6,730.17-2,928.70

Finding the Fourth Proportional to 4,491.46, 6,730.17 and 2,928.70

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Solution

The fourth proportional to 4,491.46, 6,730.17 and 2,928.70 is: 4,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.46 : 6,730.17 = 2,928.70 : x
  2. Step 2: Convert to fraction form
    4,491.46/6,730.17 = 2,928.70/x
  3. Step 3: Cross multiply
    4,491.46x = 6,730.17 × 2,928.70
  4. Step 4: Simplify right side
    4,491.46x = 19,710,648.88
  5. Step 5: Solve for x
    x = 19,710,648.88/4,491.46
  6. Step 6: Final answer
    x = 4,388.47

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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.