Home / 8,180.46-11,291.22-5,039.28

Finding the Fourth Proportional to 8,180.46, 11,291.22 and 5,039.28

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Solution

The fourth proportional to 8,180.46, 11,291.22 and 5,039.28 is: 6,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.46 : 11,291.22 = 5,039.28 : x
  2. Step 2: Convert to fraction form
    8,180.46/11,291.22 = 5,039.28/x
  3. Step 3: Cross multiply
    8,180.46x = 11,291.22 × 5,039.28
  4. Step 4: Simplify right side
    8,180.46x = 56,899,619.12
  5. Step 5: Solve for x
    x = 56,899,619.12/8,180.46
  6. Step 6: Final answer
    x = 6,955.55

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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.