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Finding the Fourth Proportional to 8,333.44, 12,498.90 and 2,490.55

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Solution

The fourth proportional to 8,333.44, 12,498.90 and 2,490.55 is: 3,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.44 : 12,498.90 = 2,490.55 : x
  2. Step 2: Convert to fraction form
    8,333.44/12,498.90 = 2,490.55/x
  3. Step 3: Cross multiply
    8,333.44x = 12,498.90 × 2,490.55
  4. Step 4: Simplify right side
    8,333.44x = 31,129,135.40
  5. Step 5: Solve for x
    x = 31,129,135.40/8,333.44
  6. Step 6: Final answer
    x = 3,735.45

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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.