Home / 8,515.74-12,736.62-4,997.37

Finding the Fourth Proportional to 8,515.74, 12,736.62 and 4,997.37

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Solution

The fourth proportional to 8,515.74, 12,736.62 and 4,997.37 is: 7,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.74 : 12,736.62 = 4,997.37 : x
  2. Step 2: Convert to fraction form
    8,515.74/12,736.62 = 4,997.37/x
  3. Step 3: Cross multiply
    8,515.74x = 12,736.62 × 4,997.37
  4. Step 4: Simplify right side
    8,515.74x = 63,649,602.69
  5. Step 5: Solve for x
    x = 63,649,602.69/8,515.74
  6. Step 6: Final answer
    x = 7,474.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.