Home / 5,042.61-6,958.98-2,805.12

Finding the Fourth Proportional to 5,042.61, 6,958.98 and 2,805.12

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Solution

The fourth proportional to 5,042.61, 6,958.98 and 2,805.12 is: 3,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.61 : 6,958.98 = 2,805.12 : x
  2. Step 2: Convert to fraction form
    5,042.61/6,958.98 = 2,805.12/x
  3. Step 3: Cross multiply
    5,042.61x = 6,958.98 × 2,805.12
  4. Step 4: Simplify right side
    5,042.61x = 19,520,773.98
  5. Step 5: Solve for x
    x = 19,520,773.98/5,042.61
  6. Step 6: Final answer
    x = 3,871.16

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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.