Home / 8,262.39-11,400.89-4,905.35

Finding the Fourth Proportional to 8,262.39, 11,400.89 and 4,905.35

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Solution

The fourth proportional to 8,262.39, 11,400.89 and 4,905.35 is: 6,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.39 : 11,400.89 = 4,905.35 : x
  2. Step 2: Convert to fraction form
    8,262.39/11,400.89 = 4,905.35/x
  3. Step 3: Cross multiply
    8,262.39x = 11,400.89 × 4,905.35
  4. Step 4: Simplify right side
    8,262.39x = 55,925,274.23
  5. Step 5: Solve for x
    x = 55,925,274.23/8,262.39
  6. Step 6: Final answer
    x = 6,768.66

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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.