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Finding the Fourth Proportional to 8,598.24, 12,894.32 and 3,914.32

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Solution

The fourth proportional to 8,598.24, 12,894.32 and 3,914.32 is: 5,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.24 : 12,894.32 = 3,914.32 : x
  2. Step 2: Convert to fraction form
    8,598.24/12,894.32 = 3,914.32/x
  3. Step 3: Cross multiply
    8,598.24x = 12,894.32 × 3,914.32
  4. Step 4: Simplify right side
    8,598.24x = 50,472,494.66
  5. Step 5: Solve for x
    x = 50,472,494.66/8,598.24
  6. Step 6: Final answer
    x = 5,870.10

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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.