Home / 4,891.20-7,336.79-1,730.99

Finding the Fourth Proportional to 4,891.20, 7,336.79 and 1,730.99

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Solution

The fourth proportional to 4,891.20, 7,336.79 and 1,730.99 is: 2,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.20 : 7,336.79 = 1,730.99 : x
  2. Step 2: Convert to fraction form
    4,891.20/7,336.79 = 1,730.99/x
  3. Step 3: Cross multiply
    4,891.20x = 7,336.79 × 1,730.99
  4. Step 4: Simplify right side
    4,891.20x = 12,699,864.78
  5. Step 5: Solve for x
    x = 12,699,864.78/4,891.20
  6. Step 6: Final answer
    x = 2,596.47

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Similar ratio
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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.