Home / 8,634.77-11,915.97-4,857.94

Finding the Fourth Proportional to 8,634.77, 11,915.97 and 4,857.94

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Solution

The fourth proportional to 8,634.77, 11,915.97 and 4,857.94 is: 6,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.77 : 11,915.97 = 4,857.94 : x
  2. Step 2: Convert to fraction form
    8,634.77/11,915.97 = 4,857.94/x
  3. Step 3: Cross multiply
    8,634.77x = 11,915.97 × 4,857.94
  4. Step 4: Simplify right side
    8,634.77x = 57,886,996.95
  5. Step 5: Solve for x
    x = 57,886,996.95/8,634.77
  6. Step 6: Final answer
    x = 6,703.94

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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.