Home / 8,279.66-11,427.27-4,877.22

Finding the Fourth Proportional to 8,279.66, 11,427.27 and 4,877.22

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Solution

The fourth proportional to 8,279.66, 11,427.27 and 4,877.22 is: 6,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.66 : 11,427.27 = 4,877.22 : x
  2. Step 2: Convert to fraction form
    8,279.66/11,427.27 = 4,877.22/x
  3. Step 3: Cross multiply
    8,279.66x = 11,427.27 × 4,877.22
  4. Step 4: Simplify right side
    8,279.66x = 55,733,334.35
  5. Step 5: Solve for x
    x = 55,733,334.35/8,279.66
  6. Step 6: Final answer
    x = 6,731.35

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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.