Home / 8,157.51-11,257.89-4,572.73

Finding the Fourth Proportional to 8,157.51, 11,257.89 and 4,572.73

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Solution

The fourth proportional to 8,157.51, 11,257.89 and 4,572.73 is: 6,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.51 : 11,257.89 = 4,572.73 : x
  2. Step 2: Convert to fraction form
    8,157.51/11,257.89 = 4,572.73/x
  3. Step 3: Cross multiply
    8,157.51x = 11,257.89 × 4,572.73
  4. Step 4: Simplify right side
    8,157.51x = 51,479,256.60
  5. Step 5: Solve for x
    x = 51,479,256.60/8,157.51
  6. Step 6: Final answer
    x = 6,310.66

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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.