Home / 8,936.33-12,331.51-4,957.20

Finding the Fourth Proportional to 8,936.33, 12,331.51 and 4,957.20

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Solution

The fourth proportional to 8,936.33, 12,331.51 and 4,957.20 is: 6,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.33 : 12,331.51 = 4,957.20 : x
  2. Step 2: Convert to fraction form
    8,936.33/12,331.51 = 4,957.20/x
  3. Step 3: Cross multiply
    8,936.33x = 12,331.51 × 4,957.20
  4. Step 4: Simplify right side
    8,936.33x = 61,129,748.98
  5. Step 5: Solve for x
    x = 61,129,748.98/8,936.33
  6. Step 6: Final answer
    x = 6,840.59

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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.