Home / 5,910.56-8,871.33-2,990.91

Finding the Fourth Proportional to 5,910.56, 8,871.33 and 2,990.91

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Solution

The fourth proportional to 5,910.56, 8,871.33 and 2,990.91 is: 4,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.56 : 8,871.33 = 2,990.91 : x
  2. Step 2: Convert to fraction form
    5,910.56/8,871.33 = 2,990.91/x
  3. Step 3: Cross multiply
    5,910.56x = 8,871.33 × 2,990.91
  4. Step 4: Simplify right side
    5,910.56x = 26,533,349.61
  5. Step 5: Solve for x
    x = 26,533,349.61/5,910.56
  6. Step 6: Final answer
    x = 4,489.15

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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.