Home / 8,717.23-13,077.87-2,873.89

Finding the Fourth Proportional to 8,717.23, 13,077.87 and 2,873.89

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Solution

The fourth proportional to 8,717.23, 13,077.87 and 2,873.89 is: 4,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.23 : 13,077.87 = 2,873.89 : x
  2. Step 2: Convert to fraction form
    8,717.23/13,077.87 = 2,873.89/x
  3. Step 3: Cross multiply
    8,717.23x = 13,077.87 × 2,873.89
  4. Step 4: Simplify right side
    8,717.23x = 37,584,359.81
  5. Step 5: Solve for x
    x = 37,584,359.81/8,717.23
  6. Step 6: Final answer
    x = 4,311.50

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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.