Home / 8,350.91-12,529.61-3,157.19

Finding the Fourth Proportional to 8,350.91, 12,529.61 and 3,157.19

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Solution

The fourth proportional to 8,350.91, 12,529.61 and 3,157.19 is: 4,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.91 : 12,529.61 = 3,157.19 : x
  2. Step 2: Convert to fraction form
    8,350.91/12,529.61 = 3,157.19/x
  3. Step 3: Cross multiply
    8,350.91x = 12,529.61 × 3,157.19
  4. Step 4: Simplify right side
    8,350.91x = 39,558,359.40
  5. Step 5: Solve for x
    x = 39,558,359.40/8,350.91
  6. Step 6: Final answer
    x = 4,737.01

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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.