Home / 4,165.10-5,750.40-3,965.30

Finding the Fourth Proportional to 4,165.10, 5,750.40 and 3,965.30

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Solution

The fourth proportional to 4,165.10, 5,750.40 and 3,965.30 is: 5,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.10 : 5,750.40 = 3,965.30 : x
  2. Step 2: Convert to fraction form
    4,165.10/5,750.40 = 3,965.30/x
  3. Step 3: Cross multiply
    4,165.10x = 5,750.40 × 3,965.30
  4. Step 4: Simplify right side
    4,165.10x = 22,802,061.12
  5. Step 5: Solve for x
    x = 22,802,061.12/4,165.10
  6. Step 6: Final answer
    x = 5,474.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.