Home / 5,376.28-8,064.72-1,679.02

Finding the Fourth Proportional to 5,376.28, 8,064.72 and 1,679.02

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Solution

The fourth proportional to 5,376.28, 8,064.72 and 1,679.02 is: 2,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.28 : 8,064.72 = 1,679.02 : x
  2. Step 2: Convert to fraction form
    5,376.28/8,064.72 = 1,679.02/x
  3. Step 3: Cross multiply
    5,376.28x = 8,064.72 × 1,679.02
  4. Step 4: Simplify right side
    5,376.28x = 13,540,826.17
  5. Step 5: Solve for x
    x = 13,540,826.17/5,376.28
  6. Step 6: Final answer
    x = 2,518.62

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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.