Home / 8,634.28-11,915.24-4,857.44

Finding the Fourth Proportional to 8,634.28, 11,915.24 and 4,857.44

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Solution

The fourth proportional to 8,634.28, 11,915.24 and 4,857.44 is: 6,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.28 : 11,915.24 = 4,857.44 : x
  2. Step 2: Convert to fraction form
    8,634.28/11,915.24 = 4,857.44/x
  3. Step 3: Cross multiply
    8,634.28x = 11,915.24 × 4,857.44
  4. Step 4: Simplify right side
    8,634.28x = 57,877,563.39
  5. Step 5: Solve for x
    x = 57,877,563.39/8,634.28
  6. Step 6: Final answer
    x = 6,703.23

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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.