Home / 5,842.18-8,757.80-2,143.41

Finding the Fourth Proportional to 5,842.18, 8,757.80 and 2,143.41

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Solution

The fourth proportional to 5,842.18, 8,757.80 and 2,143.41 is: 3,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.18 : 8,757.80 = 2,143.41 : x
  2. Step 2: Convert to fraction form
    5,842.18/8,757.80 = 2,143.41/x
  3. Step 3: Cross multiply
    5,842.18x = 8,757.80 × 2,143.41
  4. Step 4: Simplify right side
    5,842.18x = 18,771,563.81
  5. Step 5: Solve for x
    x = 18,771,563.81/5,842.18
  6. Step 6: Final answer
    x = 3,213.11

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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.