Home / 8,432.88-11,638.41-5,077.44

Finding the Fourth Proportional to 8,432.88, 11,638.41 and 5,077.44

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Solution

The fourth proportional to 8,432.88, 11,638.41 and 5,077.44 is: 7,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.88 : 11,638.41 = 5,077.44 : x
  2. Step 2: Convert to fraction form
    8,432.88/11,638.41 = 5,077.44/x
  3. Step 3: Cross multiply
    8,432.88x = 11,638.41 × 5,077.44
  4. Step 4: Simplify right side
    8,432.88x = 59,093,328.47
  5. Step 5: Solve for x
    x = 59,093,328.47/8,432.88
  6. Step 6: Final answer
    x = 7,007.49

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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.