Home / 4,878.32-6,733.44-2,889.50

Finding the Fourth Proportional to 4,878.32, 6,733.44 and 2,889.50

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Solution

The fourth proportional to 4,878.32, 6,733.44 and 2,889.50 is: 3,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.32 : 6,733.44 = 2,889.50 : x
  2. Step 2: Convert to fraction form
    4,878.32/6,733.44 = 2,889.50/x
  3. Step 3: Cross multiply
    4,878.32x = 6,733.44 × 2,889.50
  4. Step 4: Simplify right side
    4,878.32x = 19,456,241.21
  5. Step 5: Solve for x
    x = 19,456,241.21/4,878.32
  6. Step 6: Final answer
    x = 3,988.31

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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.