Home / 8,647.17-11,933.29-4,871.52

Finding the Fourth Proportional to 8,647.17, 11,933.29 and 4,871.52

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Solution

The fourth proportional to 8,647.17, 11,933.29 and 4,871.52 is: 6,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.17 : 11,933.29 = 4,871.52 : x
  2. Step 2: Convert to fraction form
    8,647.17/11,933.29 = 4,871.52/x
  3. Step 3: Cross multiply
    8,647.17x = 11,933.29 × 4,871.52
  4. Step 4: Simplify right side
    8,647.17x = 58,133,260.90
  5. Step 5: Solve for x
    x = 58,133,260.90/8,647.17
  6. Step 6: Final answer
    x = 6,722.81

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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.