Home / 8,157.98-12,237.43-2,314.13

Finding the Fourth Proportional to 8,157.98, 12,237.43 and 2,314.13

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Solution

The fourth proportional to 8,157.98, 12,237.43 and 2,314.13 is: 3,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.98 : 12,237.43 = 2,314.13 : x
  2. Step 2: Convert to fraction form
    8,157.98/12,237.43 = 2,314.13/x
  3. Step 3: Cross multiply
    8,157.98x = 12,237.43 × 2,314.13
  4. Step 4: Simplify right side
    8,157.98x = 28,318,936.91
  5. Step 5: Solve for x
    x = 28,318,936.91/8,157.98
  6. Step 6: Final answer
    x = 3,471.32

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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.