Home / 8,914.39-13,372.47-3,070.98

Finding the Fourth Proportional to 8,914.39, 13,372.47 and 3,070.98

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Solution

The fourth proportional to 8,914.39, 13,372.47 and 3,070.98 is: 4,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.39 : 13,372.47 = 3,070.98 : x
  2. Step 2: Convert to fraction form
    8,914.39/13,372.47 = 3,070.98/x
  3. Step 3: Cross multiply
    8,914.39x = 13,372.47 × 3,070.98
  4. Step 4: Simplify right side
    8,914.39x = 41,066,587.92
  5. Step 5: Solve for x
    x = 41,066,587.92/8,914.39
  6. Step 6: Final answer
    x = 4,606.78

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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.