Home / 4,529.45-6,790.40-3,145.50

Finding the Fourth Proportional to 4,529.45, 6,790.40 and 3,145.50

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Solution

The fourth proportional to 4,529.45, 6,790.40 and 3,145.50 is: 4,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529.45 : 6,790.40 = 3,145.50 : x
  2. Step 2: Convert to fraction form
    4,529.45/6,790.40 = 3,145.50/x
  3. Step 3: Cross multiply
    4,529.45x = 6,790.40 × 3,145.50
  4. Step 4: Simplify right side
    4,529.45x = 21,359,199.27
  5. Step 5: Solve for x
    x = 21,359,199.27/4,529.45
  6. Step 6: Final answer
    x = 4,715.62

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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.