Home / 5,530.31-7,631.69-3,012.36

Finding the Fourth Proportional to 5,530.31, 7,631.69 and 3,012.36

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Solution

The fourth proportional to 5,530.31, 7,631.69 and 3,012.36 is: 4,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.31 : 7,631.69 = 3,012.36 : x
  2. Step 2: Convert to fraction form
    5,530.31/7,631.69 = 3,012.36/x
  3. Step 3: Cross multiply
    5,530.31x = 7,631.69 × 3,012.36
  4. Step 4: Simplify right side
    5,530.31x = 22,989,382.63
  5. Step 5: Solve for x
    x = 22,989,382.63/5,530.31
  6. Step 6: Final answer
    x = 4,156.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.