Home / 5,374.81-8,060.68-2,087.20

Finding the Fourth Proportional to 5,374.81, 8,060.68 and 2,087.20

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Solution

The fourth proportional to 5,374.81, 8,060.68 and 2,087.20 is: 3,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.81 : 8,060.68 = 2,087.20 : x
  2. Step 2: Convert to fraction form
    5,374.81/8,060.68 = 2,087.20/x
  3. Step 3: Cross multiply
    5,374.81x = 8,060.68 × 2,087.20
  4. Step 4: Simplify right side
    5,374.81x = 16,824,251.30
  5. Step 5: Solve for x
    x = 16,824,251.30/5,374.81
  6. Step 6: Final answer
    x = 3,130.20

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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.