Home / 7,677.40-11,512.32-2,482.60

Finding the Fourth Proportional to 7,677.40, 11,512.32 and 2,482.60

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Solution

The fourth proportional to 7,677.40, 11,512.32 and 2,482.60 is: 3,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.40 : 11,512.32 = 2,482.60 : x
  2. Step 2: Convert to fraction form
    7,677.40/11,512.32 = 2,482.60/x
  3. Step 3: Cross multiply
    7,677.40x = 11,512.32 × 2,482.60
  4. Step 4: Simplify right side
    7,677.40x = 28,580,485.63
  5. Step 5: Solve for x
    x = 28,580,485.63/7,677.40
  6. Step 6: Final answer
    x = 3,722.68

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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.