Home / 6,579.20-9,847.20-5,110.40

Finding the Fourth Proportional to 6,579.20, 9,847.20 and 5,110.40

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Solution

The fourth proportional to 6,579.20, 9,847.20 and 5,110.40 is: 7,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.20 : 9,847.20 = 5,110.40 : x
  2. Step 2: Convert to fraction form
    6,579.20/9,847.20 = 5,110.40/x
  3. Step 3: Cross multiply
    6,579.20x = 9,847.20 × 5,110.40
  4. Step 4: Simplify right side
    6,579.20x = 50,323,130.88
  5. Step 5: Solve for x
    x = 50,323,130.88/6,579.20
  6. Step 6: Final answer
    x = 7,648.82

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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.