Home / 8,972.08-12,381.40-4,993.44

Finding the Fourth Proportional to 8,972.08, 12,381.40 and 4,993.44

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Solution

The fourth proportional to 8,972.08, 12,381.40 and 4,993.44 is: 6,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.08 : 12,381.40 = 4,993.44 : x
  2. Step 2: Convert to fraction form
    8,972.08/12,381.40 = 4,993.44/x
  3. Step 3: Cross multiply
    8,972.08x = 12,381.40 × 4,993.44
  4. Step 4: Simplify right side
    8,972.08x = 61,825,778.02
  5. Step 5: Solve for x
    x = 61,825,778.02/8,972.08
  6. Step 6: Final answer
    x = 6,890.91

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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.