Home / 8,257.28-11,392.56-4,900.64

Finding the Fourth Proportional to 8,257.28, 11,392.56 and 4,900.64

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Solution

The fourth proportional to 8,257.28, 11,392.56 and 4,900.64 is: 6,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.28 : 11,392.56 = 4,900.64 : x
  2. Step 2: Convert to fraction form
    8,257.28/11,392.56 = 4,900.64/x
  3. Step 3: Cross multiply
    8,257.28x = 11,392.56 × 4,900.64
  4. Step 4: Simplify right side
    8,257.28x = 55,830,835.24
  5. Step 5: Solve for x
    x = 55,830,835.24/8,257.28
  6. Step 6: Final answer
    x = 6,761.41

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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.