Home / 8,625.29-11,903.66-5,087.81

Finding the Fourth Proportional to 8,625.29, 11,903.66 and 5,087.81

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Solution

The fourth proportional to 8,625.29, 11,903.66 and 5,087.81 is: 7,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.29 : 11,903.66 = 5,087.81 : x
  2. Step 2: Convert to fraction form
    8,625.29/11,903.66 = 5,087.81/x
  3. Step 3: Cross multiply
    8,625.29x = 11,903.66 × 5,087.81
  4. Step 4: Simplify right side
    8,625.29x = 60,563,583.78
  5. Step 5: Solve for x
    x = 60,563,583.78/8,625.29
  6. Step 6: Final answer
    x = 7,021.63

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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.