Home / 7,961.02-11,936.90-5,853.91

Finding the Fourth Proportional to 7,961.02, 11,936.90 and 5,853.91

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Solution

The fourth proportional to 7,961.02, 11,936.90 and 5,853.91 is: 8,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.02 : 11,936.90 = 5,853.91 : x
  2. Step 2: Convert to fraction form
    7,961.02/11,936.90 = 5,853.91/x
  3. Step 3: Cross multiply
    7,961.02x = 11,936.90 × 5,853.91
  4. Step 4: Simplify right side
    7,961.02x = 69,877,501.12
  5. Step 5: Solve for x
    x = 69,877,501.12/7,961.02
  6. Step 6: Final answer
    x = 8,777.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.