Home / 8,076.03-12,118.82-4,378.17

Finding the Fourth Proportional to 8,076.03, 12,118.82 and 4,378.17

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Solution

The fourth proportional to 8,076.03, 12,118.82 and 4,378.17 is: 6,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.03 : 12,118.82 = 4,378.17 : x
  2. Step 2: Convert to fraction form
    8,076.03/12,118.82 = 4,378.17/x
  3. Step 3: Cross multiply
    8,076.03x = 12,118.82 × 4,378.17
  4. Step 4: Simplify right side
    8,076.03x = 53,058,232.27
  5. Step 5: Solve for x
    x = 53,058,232.27/8,076.03
  6. Step 6: Final answer
    x = 6,569.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.