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Finding the Fourth Proportional to 8,325.54, 12,499.29 and 7,637.85

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Solution

The fourth proportional to 8,325.54, 12,499.29 and 7,637.85 is: 11,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.54 : 12,499.29 = 7,637.85 : x
  2. Step 2: Convert to fraction form
    8,325.54/12,499.29 = 7,637.85/x
  3. Step 3: Cross multiply
    8,325.54x = 12,499.29 × 7,637.85
  4. Step 4: Simplify right side
    8,325.54x = 95,467,702.13
  5. Step 5: Solve for x
    x = 95,467,702.13/8,325.54
  6. Step 6: Final answer
    x = 11,466.85

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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.