Home / 8,279.96-11,426.32-4,503.12

Finding the Fourth Proportional to 8,279.96, 11,426.32 and 4,503.12

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Solution

The fourth proportional to 8,279.96, 11,426.32 and 4,503.12 is: 6,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.96 : 11,426.32 = 4,503.12 : x
  2. Step 2: Convert to fraction form
    8,279.96/11,426.32 = 4,503.12/x
  3. Step 3: Cross multiply
    8,279.96x = 11,426.32 × 4,503.12
  4. Step 4: Simplify right side
    8,279.96x = 51,454,090.12
  5. Step 5: Solve for x
    x = 51,454,090.12/8,279.96
  6. Step 6: Final answer
    x = 6,214.29

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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.