Home / 9,720.60-14,579.46-3,485.40

Finding the Fourth Proportional to 9,720.60, 14,579.46 and 3,485.40

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Solution

The fourth proportional to 9,720.60, 14,579.46 and 3,485.40 is: 5,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.60 : 14,579.46 = 3,485.40 : x
  2. Step 2: Convert to fraction form
    9,720.60/14,579.46 = 3,485.40/x
  3. Step 3: Cross multiply
    9,720.60x = 14,579.46 × 3,485.40
  4. Step 4: Simplify right side
    9,720.60x = 50,815,249.88
  5. Step 5: Solve for x
    x = 50,815,249.88/9,720.60
  6. Step 6: Final answer
    x = 5,227.58

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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.