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Finding the Fourth Proportional to 4,843.99, 7,266.66 and 1,555.98

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Solution

The fourth proportional to 4,843.99, 7,266.66 and 1,555.98 is: 2,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.99 : 7,266.66 = 1,555.98 : x
  2. Step 2: Convert to fraction form
    4,843.99/7,266.66 = 1,555.98/x
  3. Step 3: Cross multiply
    4,843.99x = 7,266.66 × 1,555.98
  4. Step 4: Simplify right side
    4,843.99x = 11,306,753.29
  5. Step 5: Solve for x
    x = 11,306,753.29/4,843.99
  6. Step 6: Final answer
    x = 2,334.18

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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.