Home / 4,776.32-7,161.78-1,488.44

Finding the Fourth Proportional to 4,776.32, 7,161.78 and 1,488.44

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Solution

The fourth proportional to 4,776.32, 7,161.78 and 1,488.44 is: 2,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.32 : 7,161.78 = 1,488.44 : x
  2. Step 2: Convert to fraction form
    4,776.32/7,161.78 = 1,488.44/x
  3. Step 3: Cross multiply
    4,776.32x = 7,161.78 × 1,488.44
  4. Step 4: Simplify right side
    4,776.32x = 10,659,879.82
  5. Step 5: Solve for x
    x = 10,659,879.82/4,776.32
  6. Step 6: Final answer
    x = 2,231.82

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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.