Home / 7,089.46-10,635.36-2,157.97

Finding the Fourth Proportional to 7,089.46, 10,635.36 and 2,157.97

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Solution

The fourth proportional to 7,089.46, 10,635.36 and 2,157.97 is: 3,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.46 : 10,635.36 = 2,157.97 : x
  2. Step 2: Convert to fraction form
    7,089.46/10,635.36 = 2,157.97/x
  3. Step 3: Cross multiply
    7,089.46x = 10,635.36 × 2,157.97
  4. Step 4: Simplify right side
    7,089.46x = 22,950,787.82
  5. Step 5: Solve for x
    x = 22,950,787.82/7,089.46
  6. Step 6: Final answer
    x = 3,237.31

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1.5x scale

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.