Home / 8,936.12-12,331.92-4,957.50

Finding the Fourth Proportional to 8,936.12, 12,331.92 and 4,957.50

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Solution

The fourth proportional to 8,936.12, 12,331.92 and 4,957.50 is: 6,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.12 : 12,331.92 = 4,957.50 : x
  2. Step 2: Convert to fraction form
    8,936.12/12,331.92 = 4,957.50/x
  3. Step 3: Cross multiply
    8,936.12x = 12,331.92 × 4,957.50
  4. Step 4: Simplify right side
    8,936.12x = 61,135,493.40
  5. Step 5: Solve for x
    x = 61,135,493.40/8,936.12
  6. Step 6: Final answer
    x = 6,841.39

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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.