Home / 9,785.18-14,679.40-3,209.60

Finding the Fourth Proportional to 9,785.18, 14,679.40 and 3,209.60

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Solution

The fourth proportional to 9,785.18, 14,679.40 and 3,209.60 is: 4,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.18 : 14,679.40 = 3,209.60 : x
  2. Step 2: Convert to fraction form
    9,785.18/14,679.40 = 3,209.60/x
  3. Step 3: Cross multiply
    9,785.18x = 14,679.40 × 3,209.60
  4. Step 4: Simplify right side
    9,785.18x = 47,115,002.24
  5. Step 5: Solve for x
    x = 47,115,002.24/9,785.18
  6. Step 6: Final answer
    x = 4,814.93

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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.