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Finding the Fourth Proportional to 6,965.84, 10,450.50 and 3,457.50

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Solution

The fourth proportional to 6,965.84, 10,450.50 and 3,457.50 is: 5,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.84 : 10,450.50 = 3,457.50 : x
  2. Step 2: Convert to fraction form
    6,965.84/10,450.50 = 3,457.50/x
  3. Step 3: Cross multiply
    6,965.84x = 10,450.50 × 3,457.50
  4. Step 4: Simplify right side
    6,965.84x = 36,132,534.21
  5. Step 5: Solve for x
    x = 36,132,534.21/6,965.84
  6. Step 6: Final answer
    x = 5,187.10

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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.