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Finding the Fourth Proportional to 8,333.91, 12,500.88 and 2,490.06

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Solution

The fourth proportional to 8,333.91, 12,500.88 and 2,490.06 is: 3,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.91 : 12,500.88 = 2,490.06 : x
  2. Step 2: Convert to fraction form
    8,333.91/12,500.88 = 2,490.06/x
  3. Step 3: Cross multiply
    8,333.91x = 12,500.88 × 2,490.06
  4. Step 4: Simplify right side
    8,333.91x = 31,127,941.25
  5. Step 5: Solve for x
    x = 31,127,941.25/8,333.91
  6. Step 6: Final answer
    x = 3,735.09

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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.