Home / 8,697.29-13,045.93-2,123.39

Finding the Fourth Proportional to 8,697.29, 13,045.93 and 2,123.39

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Solution

The fourth proportional to 8,697.29, 13,045.93 and 2,123.39 is: 3,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.29 : 13,045.93 = 2,123.39 : x
  2. Step 2: Convert to fraction form
    8,697.29/13,045.93 = 2,123.39/x
  3. Step 3: Cross multiply
    8,697.29x = 13,045.93 × 2,123.39
  4. Step 4: Simplify right side
    8,697.29x = 27,701,624.61
  5. Step 5: Solve for x
    x = 27,701,624.61/8,697.29
  6. Step 6: Final answer
    x = 3,185.09

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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.