Home / 4,130.81-6,185.96-2,892.42

Finding the Fourth Proportional to 4,130.81, 6,185.96 and 2,892.42

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Solution

The fourth proportional to 4,130.81, 6,185.96 and 2,892.42 is: 4,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.81 : 6,185.96 = 2,892.42 : x
  2. Step 2: Convert to fraction form
    4,130.81/6,185.96 = 2,892.42/x
  3. Step 3: Cross multiply
    4,130.81x = 6,185.96 × 2,892.42
  4. Step 4: Simplify right side
    4,130.81x = 17,892,379.96
  5. Step 5: Solve for x
    x = 17,892,379.96/4,130.81
  6. Step 6: Final answer
    x = 4,331.45

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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.