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Finding the Fourth Proportional to 4,803.87, 7,205.67 and 2,616.87

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Solution

The fourth proportional to 4,803.87, 7,205.67 and 2,616.87 is: 3,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.87 : 7,205.67 = 2,616.87 : x
  2. Step 2: Convert to fraction form
    4,803.87/7,205.67 = 2,616.87/x
  3. Step 3: Cross multiply
    4,803.87x = 7,205.67 × 2,616.87
  4. Step 4: Simplify right side
    4,803.87x = 18,856,301.65
  5. Step 5: Solve for x
    x = 18,856,301.65/4,803.87
  6. Step 6: Final answer
    x = 3,925.23

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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.