Home / 4,780.92-7,169.49-2,315.01

Finding the Fourth Proportional to 4,780.92, 7,169.49 and 2,315.01

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Solution

The fourth proportional to 4,780.92, 7,169.49 and 2,315.01 is: 3,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.92 : 7,169.49 = 2,315.01 : x
  2. Step 2: Convert to fraction form
    4,780.92/7,169.49 = 2,315.01/x
  3. Step 3: Cross multiply
    4,780.92x = 7,169.49 × 2,315.01
  4. Step 4: Simplify right side
    4,780.92x = 16,597,441.04
  5. Step 5: Solve for x
    x = 16,597,441.04/4,780.92
  6. Step 6: Final answer
    x = 3,471.60

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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.