Home / 6,432.21-8,876.39-4,076.28

Finding the Fourth Proportional to 6,432.21, 8,876.39 and 4,076.28

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Solution

The fourth proportional to 6,432.21, 8,876.39 and 4,076.28 is: 5,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.21 : 8,876.39 = 4,076.28 : x
  2. Step 2: Convert to fraction form
    6,432.21/8,876.39 = 4,076.28/x
  3. Step 3: Cross multiply
    6,432.21x = 8,876.39 × 4,076.28
  4. Step 4: Simplify right side
    6,432.21x = 36,182,630.65
  5. Step 5: Solve for x
    x = 36,182,630.65/6,432.21
  6. Step 6: Final answer
    x = 5,625.23

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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.