Home / 8,651.79-11,939.51-4,875

Finding the Fourth Proportional to 8,651.79, 11,939.51 and 4,875

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Solution

The fourth proportional to 8,651.79, 11,939.51 and 4,875 is: 6,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.79 : 11,939.51 = 4,875 : x
  2. Step 2: Convert to fraction form
    8,651.79/11,939.51 = 4,875/x
  3. Step 3: Cross multiply
    8,651.79x = 11,939.51 × 4,875
  4. Step 4: Simplify right side
    8,651.79x = 58,205,086.88
  5. Step 5: Solve for x
    x = 58,205,086.88/8,651.79
  6. Step 6: Final answer
    x = 6,727.52

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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.