Home / 8,936.48-13,391.05-4,777.08

Finding the Fourth Proportional to 8,936.48, 13,391.05 and 4,777.08

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Solution

The fourth proportional to 8,936.48, 13,391.05 and 4,777.08 is: 7,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.48 : 13,391.05 = 4,777.08 : x
  2. Step 2: Convert to fraction form
    8,936.48/13,391.05 = 4,777.08/x
  3. Step 3: Cross multiply
    8,936.48x = 13,391.05 × 4,777.08
  4. Step 4: Simplify right side
    8,936.48x = 63,970,026.29
  5. Step 5: Solve for x
    x = 63,970,026.29/8,936.48
  6. Step 6: Final answer
    x = 7,158.31

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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.