Home / 8,021.92-11,072.15-4,877.50

Finding the Fourth Proportional to 8,021.92, 11,072.15 and 4,877.50

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Solution

The fourth proportional to 8,021.92, 11,072.15 and 4,877.50 is: 6,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.92 : 11,072.15 = 4,877.50 : x
  2. Step 2: Convert to fraction form
    8,021.92/11,072.15 = 4,877.50/x
  3. Step 3: Cross multiply
    8,021.92x = 11,072.15 × 4,877.50
  4. Step 4: Simplify right side
    8,021.92x = 54,004,411.63
  5. Step 5: Solve for x
    x = 54,004,411.63/8,021.92
  6. Step 6: Final answer
    x = 6,732.11

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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.