Home / 8,330.88-12,496.32-2,487.60

Finding the Fourth Proportional to 8,330.88, 12,496.32 and 2,487.60

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Solution

The fourth proportional to 8,330.88, 12,496.32 and 2,487.60 is: 3,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.88 : 12,496.32 = 2,487.60 : x
  2. Step 2: Convert to fraction form
    8,330.88/12,496.32 = 2,487.60/x
  3. Step 3: Cross multiply
    8,330.88x = 12,496.32 × 2,487.60
  4. Step 4: Simplify right side
    8,330.88x = 31,085,845.63
  5. Step 5: Solve for x
    x = 31,085,845.63/8,330.88
  6. Step 6: Final answer
    x = 3,731.40

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1.5x scale

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.