Home / 8,278.22-11,423.88-4,501.39

Finding the Fourth Proportional to 8,278.22, 11,423.88 and 4,501.39

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Solution

The fourth proportional to 8,278.22, 11,423.88 and 4,501.39 is: 6,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.22 : 11,423.88 = 4,501.39 : x
  2. Step 2: Convert to fraction form
    8,278.22/11,423.88 = 4,501.39/x
  3. Step 3: Cross multiply
    8,278.22x = 11,423.88 × 4,501.39
  4. Step 4: Simplify right side
    8,278.22x = 51,423,310.63
  5. Step 5: Solve for x
    x = 51,423,310.63/8,278.22
  6. Step 6: Final answer
    x = 6,211.88

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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.