Home / 8,623.50-11,901.87-5,087.58

Finding the Fourth Proportional to 8,623.50, 11,901.87 and 5,087.58

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Solution

The fourth proportional to 8,623.50, 11,901.87 and 5,087.58 is: 7,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.50 : 11,901.87 = 5,087.58 : x
  2. Step 2: Convert to fraction form
    8,623.50/11,901.87 = 5,087.58/x
  3. Step 3: Cross multiply
    8,623.50x = 11,901.87 × 5,087.58
  4. Step 4: Simplify right side
    8,623.50x = 60,551,715.77
  5. Step 5: Solve for x
    x = 60,551,715.77/8,623.50
  6. Step 6: Final answer
    x = 7,021.71

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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.