Home / 9,780.60-14,665.44-3,206.28

Finding the Fourth Proportional to 9,780.60, 14,665.44 and 3,206.28

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Solution

The fourth proportional to 9,780.60, 14,665.44 and 3,206.28 is: 4,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.60 : 14,665.44 = 3,206.28 : x
  2. Step 2: Convert to fraction form
    9,780.60/14,665.44 = 3,206.28/x
  3. Step 3: Cross multiply
    9,780.60x = 14,665.44 × 3,206.28
  4. Step 4: Simplify right side
    9,780.60x = 47,021,506.96
  5. Step 5: Solve for x
    x = 47,021,506.96/9,780.60
  6. Step 6: Final answer
    x = 4,807.63

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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.