Home / 8,279.96-11,426.48-4,503.20

Finding the Fourth Proportional to 8,279.96, 11,426.48 and 4,503.20

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Solution

The fourth proportional to 8,279.96, 11,426.48 and 4,503.20 is: 6,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.96 : 11,426.48 = 4,503.20 : x
  2. Step 2: Convert to fraction form
    8,279.96/11,426.48 = 4,503.20/x
  3. Step 3: Cross multiply
    8,279.96x = 11,426.48 × 4,503.20
  4. Step 4: Simplify right side
    8,279.96x = 51,455,645.09
  5. Step 5: Solve for x
    x = 51,455,645.09/8,279.96
  6. Step 6: Final answer
    x = 6,214.48

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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.