Home / 6,579.36-9,871.10-4,110.78

Finding the Fourth Proportional to 6,579.36, 9,871.10 and 4,110.78

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Solution

The fourth proportional to 6,579.36, 9,871.10 and 4,110.78 is: 6,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.36 : 9,871.10 = 4,110.78 : x
  2. Step 2: Convert to fraction form
    6,579.36/9,871.10 = 4,110.78/x
  3. Step 3: Cross multiply
    6,579.36x = 9,871.10 × 4,110.78
  4. Step 4: Simplify right side
    6,579.36x = 40,577,899.90
  5. Step 5: Solve for x
    x = 40,577,899.90/6,579.36
  6. Step 6: Final answer
    x = 6,167.45

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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.