Home / 5,842.32-8,758.08-2,143.68

Finding the Fourth Proportional to 5,842.32, 8,758.08 and 2,143.68

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Solution

The fourth proportional to 5,842.32, 8,758.08 and 2,143.68 is: 3,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.32 : 8,758.08 = 2,143.68 : x
  2. Step 2: Convert to fraction form
    5,842.32/8,758.08 = 2,143.68/x
  3. Step 3: Cross multiply
    5,842.32x = 8,758.08 × 2,143.68
  4. Step 4: Simplify right side
    5,842.32x = 18,774,520.93
  5. Step 5: Solve for x
    x = 18,774,520.93/5,842.32
  6. Step 6: Final answer
    x = 3,213.54

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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.