Home / 4,870.80-7,288.92-3,310.96

Finding the Fourth Proportional to 4,870.80, 7,288.92 and 3,310.96

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Solution

The fourth proportional to 4,870.80, 7,288.92 and 3,310.96 is: 4,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.80 : 7,288.92 = 3,310.96 : x
  2. Step 2: Convert to fraction form
    4,870.80/7,288.92 = 3,310.96/x
  3. Step 3: Cross multiply
    4,870.80x = 7,288.92 × 3,310.96
  4. Step 4: Simplify right side
    4,870.80x = 24,133,322.56
  5. Step 5: Solve for x
    x = 24,133,322.56/4,870.80
  6. Step 6: Final answer
    x = 4,954.69

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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.