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Finding the Fourth Proportional to 4,604.67, 6,905.21 and 1,970.51

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Solution

The fourth proportional to 4,604.67, 6,905.21 and 1,970.51 is: 2,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.67 : 6,905.21 = 1,970.51 : x
  2. Step 2: Convert to fraction form
    4,604.67/6,905.21 = 1,970.51/x
  3. Step 3: Cross multiply
    4,604.67x = 6,905.21 × 1,970.51
  4. Step 4: Simplify right side
    4,604.67x = 13,606,740.98
  5. Step 5: Solve for x
    x = 13,606,740.98/4,604.67
  6. Step 6: Final answer
    x = 2,954.99

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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.