Home / 8,467.81-11,685.99-5,110.56

Finding the Fourth Proportional to 8,467.81, 11,685.99 and 5,110.56

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Solution

The fourth proportional to 8,467.81, 11,685.99 and 5,110.56 is: 7,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.81 : 11,685.99 = 5,110.56 : x
  2. Step 2: Convert to fraction form
    8,467.81/11,685.99 = 5,110.56/x
  3. Step 3: Cross multiply
    8,467.81x = 11,685.99 × 5,110.56
  4. Step 4: Simplify right side
    8,467.81x = 59,721,927.50
  5. Step 5: Solve for x
    x = 59,721,927.50/8,467.81
  6. Step 6: Final answer
    x = 7,052.82

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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.