Home / 5,312.05-7,969.21-1,614.56

Finding the Fourth Proportional to 5,312.05, 7,969.21 and 1,614.56

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Solution

The fourth proportional to 5,312.05, 7,969.21 and 1,614.56 is: 2,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.05 : 7,969.21 = 1,614.56 : x
  2. Step 2: Convert to fraction form
    5,312.05/7,969.21 = 1,614.56/x
  3. Step 3: Cross multiply
    5,312.05x = 7,969.21 × 1,614.56
  4. Step 4: Simplify right side
    5,312.05x = 12,866,723.82
  5. Step 5: Solve for x
    x = 12,866,723.82/5,312.05
  6. Step 6: Final answer
    x = 2,422.18

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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.