Home / 8,557.61-12,837.69-3,009.96

Finding the Fourth Proportional to 8,557.61, 12,837.69 and 3,009.96

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Solution

The fourth proportional to 8,557.61, 12,837.69 and 3,009.96 is: 4,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.61 : 12,837.69 = 3,009.96 : x
  2. Step 2: Convert to fraction form
    8,557.61/12,837.69 = 3,009.96/x
  3. Step 3: Cross multiply
    8,557.61x = 12,837.69 × 3,009.96
  4. Step 4: Simplify right side
    8,557.61x = 38,640,933.39
  5. Step 5: Solve for x
    x = 38,640,933.39/8,557.61
  6. Step 6: Final answer
    x = 4,515.39

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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.