Home / 8,157.18-12,237.83-2,313.84

Finding the Fourth Proportional to 8,157.18, 12,237.83 and 2,313.84

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Solution

The fourth proportional to 8,157.18, 12,237.83 and 2,313.84 is: 3,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.18 : 12,237.83 = 2,313.84 : x
  2. Step 2: Convert to fraction form
    8,157.18/12,237.83 = 2,313.84/x
  3. Step 3: Cross multiply
    8,157.18x = 12,237.83 × 2,313.84
  4. Step 4: Simplify right side
    8,157.18x = 28,316,369.00
  5. Step 5: Solve for x
    x = 28,316,369.00/8,157.18
  6. Step 6: Final answer
    x = 3,471.34

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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.