Home / 8,117.82-11,203.11-4,579.74

Finding the Fourth Proportional to 8,117.82, 11,203.11 and 4,579.74

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Solution

The fourth proportional to 8,117.82, 11,203.11 and 4,579.74 is: 6,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.82 : 11,203.11 = 4,579.74 : x
  2. Step 2: Convert to fraction form
    8,117.82/11,203.11 = 4,579.74/x
  3. Step 3: Cross multiply
    8,117.82x = 11,203.11 × 4,579.74
  4. Step 4: Simplify right side
    8,117.82x = 51,307,330.99
  5. Step 5: Solve for x
    x = 51,307,330.99/8,117.82
  6. Step 6: Final answer
    x = 6,320.33

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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.