Home / 8,931.33-13,395.68-2,357.98

Finding the Fourth Proportional to 8,931.33, 13,395.68 and 2,357.98

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Solution

The fourth proportional to 8,931.33, 13,395.68 and 2,357.98 is: 3,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.33 : 13,395.68 = 2,357.98 : x
  2. Step 2: Convert to fraction form
    8,931.33/13,395.68 = 2,357.98/x
  3. Step 3: Cross multiply
    8,931.33x = 13,395.68 × 2,357.98
  4. Step 4: Simplify right side
    8,931.33x = 31,586,745.53
  5. Step 5: Solve for x
    x = 31,586,745.53/8,931.33
  6. Step 6: Final answer
    x = 3,536.62

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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.