Home / 6,989.31-10,490.58-2,551.29

Finding the Fourth Proportional to 6,989.31, 10,490.58 and 2,551.29

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Solution

The fourth proportional to 6,989.31, 10,490.58 and 2,551.29 is: 3,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.31 : 10,490.58 = 2,551.29 : x
  2. Step 2: Convert to fraction form
    6,989.31/10,490.58 = 2,551.29/x
  3. Step 3: Cross multiply
    6,989.31x = 10,490.58 × 2,551.29
  4. Step 4: Simplify right side
    6,989.31x = 26,764,511.85
  5. Step 5: Solve for x
    x = 26,764,511.85/6,989.31
  6. Step 6: Final answer
    x = 3,829.35

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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.