Home / 4,919.10-7,378.53-1,632.21

Finding the Fourth Proportional to 4,919.10, 7,378.53 and 1,632.21

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Solution

The fourth proportional to 4,919.10, 7,378.53 and 1,632.21 is: 2,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.10 : 7,378.53 = 1,632.21 : x
  2. Step 2: Convert to fraction form
    4,919.10/7,378.53 = 1,632.21/x
  3. Step 3: Cross multiply
    4,919.10x = 7,378.53 × 1,632.21
  4. Step 4: Simplify right side
    4,919.10x = 12,043,310.45
  5. Step 5: Solve for x
    x = 12,043,310.45/4,919.10
  6. Step 6: Final answer
    x = 2,448.28

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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.