Home / 4,768.91-6,577.38-2,878.52

Finding the Fourth Proportional to 4,768.91, 6,577.38 and 2,878.52

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Solution

The fourth proportional to 4,768.91, 6,577.38 and 2,878.52 is: 3,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.91 : 6,577.38 = 2,878.52 : x
  2. Step 2: Convert to fraction form
    4,768.91/6,577.38 = 2,878.52/x
  3. Step 3: Cross multiply
    4,768.91x = 6,577.38 × 2,878.52
  4. Step 4: Simplify right side
    4,768.91x = 18,933,119.88
  5. Step 5: Solve for x
    x = 18,933,119.88/4,768.91
  6. Step 6: Final answer
    x = 3,970.11

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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.