Home / 5,842.45-8,763.67-2,143.28

Finding the Fourth Proportional to 5,842.45, 8,763.67 and 2,143.28

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Solution

The fourth proportional to 5,842.45, 8,763.67 and 2,143.28 is: 3,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.45 : 8,763.67 = 2,143.28 : x
  2. Step 2: Convert to fraction form
    5,842.45/8,763.67 = 2,143.28/x
  3. Step 3: Cross multiply
    5,842.45x = 8,763.67 × 2,143.28
  4. Step 4: Simplify right side
    5,842.45x = 18,782,967.90
  5. Step 5: Solve for x
    x = 18,782,967.90/5,842.45
  6. Step 6: Final answer
    x = 3,214.92

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Similar ratio
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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.