Home / 6,529.78-9,785.13-3,020.86

Finding the Fourth Proportional to 6,529.78, 9,785.13 and 3,020.86

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Solution

The fourth proportional to 6,529.78, 9,785.13 and 3,020.86 is: 4,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.78 : 9,785.13 = 3,020.86 : x
  2. Step 2: Convert to fraction form
    6,529.78/9,785.13 = 3,020.86/x
  3. Step 3: Cross multiply
    6,529.78x = 9,785.13 × 3,020.86
  4. Step 4: Simplify right side
    6,529.78x = 29,559,507.81
  5. Step 5: Solve for x
    x = 29,559,507.81/6,529.78
  6. Step 6: Final answer
    x = 4,526.88

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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.