Home / 4,772.80-7,161.24-2,309.44

Finding the Fourth Proportional to 4,772.80, 7,161.24 and 2,309.44

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Solution

The fourth proportional to 4,772.80, 7,161.24 and 2,309.44 is: 3,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.80 : 7,161.24 = 2,309.44 : x
  2. Step 2: Convert to fraction form
    4,772.80/7,161.24 = 2,309.44/x
  3. Step 3: Cross multiply
    4,772.80x = 7,161.24 × 2,309.44
  4. Step 4: Simplify right side
    4,772.80x = 16,538,454.11
  5. Step 5: Solve for x
    x = 16,538,454.11/4,772.80
  6. Step 6: Final answer
    x = 3,465.15

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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.