Home / 4,878.37-6,732.48-2,782.63

Finding the Fourth Proportional to 4,878.37, 6,732.48 and 2,782.63

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Solution

The fourth proportional to 4,878.37, 6,732.48 and 2,782.63 is: 3,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.37 : 6,732.48 = 2,782.63 : x
  2. Step 2: Convert to fraction form
    4,878.37/6,732.48 = 2,782.63/x
  3. Step 3: Cross multiply
    4,878.37x = 6,732.48 × 2,782.63
  4. Step 4: Simplify right side
    4,878.37x = 18,734,000.82
  5. Step 5: Solve for x
    x = 18,734,000.82/4,878.37
  6. Step 6: Final answer
    x = 3,840.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.