Home / 4,675.31-7,012.50-1,388.12

Finding the Fourth Proportional to 4,675.31, 7,012.50 and 1,388.12

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Solution

The fourth proportional to 4,675.31, 7,012.50 and 1,388.12 is: 2,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.31 : 7,012.50 = 1,388.12 : x
  2. Step 2: Convert to fraction form
    4,675.31/7,012.50 = 1,388.12/x
  3. Step 3: Cross multiply
    4,675.31x = 7,012.50 × 1,388.12
  4. Step 4: Simplify right side
    4,675.31x = 9,734,156.44
  5. Step 5: Solve for x
    x = 9,734,156.44/4,675.31
  6. Step 6: Final answer
    x = 2,082.04

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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.