Home / 6,812.06-10,212.18-5,651.72

Finding the Fourth Proportional to 6,812.06, 10,212.18 and 5,651.72

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Solution

The fourth proportional to 6,812.06, 10,212.18 and 5,651.72 is: 8,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.06 : 10,212.18 = 5,651.72 : x
  2. Step 2: Convert to fraction form
    6,812.06/10,212.18 = 5,651.72/x
  3. Step 3: Cross multiply
    6,812.06x = 10,212.18 × 5,651.72
  4. Step 4: Simplify right side
    6,812.06x = 57,716,381.95
  5. Step 5: Solve for x
    x = 57,716,381.95/6,812.06
  6. Step 6: Final answer
    x = 8,472.68

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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.